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311132330010100 = 2252177111351227093
BaseRepresentation
bin100011010111110010010010…
…0000000100010010111110100
31111210121221221000212021202201
41012233210210000202113310
5311240043002440310400
63021420115203114244
7122351366116332214
oct10657444400422764
91453557830767681
10311132330010100
11901555310a6645
122aa8b643972984
131047b8643522a1
1456b8c56ab8244
1525e83ec6ca06a
hex11af9240225f4

311132330010100 has 144 divisors (see below), whose sum is σ = 725007965020416. Its totient is φ = 115471740160000.

The previous prime is 311132330010037. The next prime is 311132330010137. The reversal of 311132330010100 is 1010033231113.

It is a super-2 number, since 2×3111323300101002 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1369952154 + ... + 1370179246.

It is an arithmetic number, because the mean of its divisors is an integer number (5034777534864).

Almost surely, 2311132330010100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311132330010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362503982510208).

311132330010100 is an abundant number, since it is smaller than the sum of its proper divisors (413875635010316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311132330010100 is a wasteful number, since it uses less digits than its factorization.

311132330010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238546 (or 238539 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 311132330010100 its reverse (1010033231113), we get a palindrome (312142363241213).

The spelling of 311132330010100 in words is "three hundred eleven trillion, one hundred thirty-two billion, three hundred thirty million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 71 85 100 142 170 284 340 355 425 710 850 1207 1420 1700 1775 2414 3550 4828 6035 7100 11351 12070 22702 24140 30175 45404 56755 60350 113510 120700 192967 227020 227093 283775 385934 454186 567550 771868 805921 908372 964835 1135100 1135465 1611842 1929670 2270930 3223684 3859340 3860581 4029605 4541860 4824175 5677325 7721162 8059210 9648350 11354650 13700657 15442324 16118420 16123603 19296700 19302905 20148025 22709300 27401314 32247206 38605810 40296050 54802628 64494412 68503285 77211620 80592100 80618015 96514525 137006570 161236030 193029050 274013140 274101251 322472060 342516425 386058100 403090075 548202502 685032850 806180150 1096405004 1370065700 1370506255 1612360300 2577732643 2741012510 5155465286 5482025020 6852531275 10310930572 12888663215 13705062550 25777326430 27410125100 43821454931 51554652860 64443316075 87642909862 128886632150 175285819724 183019017653 219107274655 257773264300 366038035306 438214549310 732076070612 876429098620 915095088265 1095536373275 1830190176530 2191072746550 3111323300101 3660380353060 4382145493100 4575475441325 6222646600202 9150950882650 12445293200404 15556616500505 18301901765300 31113233001010 62226466002020 77783082502525 155566165005050 311132330010100