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31100000331230 = 2517487808746451
BaseRepresentation
bin1110001001001000010000…
…11110001110010111011110
311002010010112111101100120122
413010210020132032113132
513034020300041044410
6150051050511514542
76356621000053355
oct704441036162736
9132103474340518
1031100000331230
119a00488458996
1235a347b228a52
1314479433021cc
147973688dc99c
1538deb07e2e55
hex1c490878e5de

31100000331230 has 64 divisors (see below), whose sum is σ = 59403275430912. Its totient is φ = 11682497548800.

The previous prime is 31100000331199. The next prime is 31100000331287. The reversal of 31100000331230 is 3213300000113.

It is a super-2 number, since 2×311000003312302 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 31100000331199 and 31100000331208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669499505 + ... + 669545955.

It is an arithmetic number, because the mean of its divisors is an integer number (928176178608).

Almost surely, 231100000331230 is an apocalyptic number.

31100000331230 is a deficient number, since it is larger than the sum of its proper divisors (28303275099682).

31100000331230 is a wasteful number, since it uses less digits than its factorization.

31100000331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55049.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31100000331230 its reverse (3213300000113), we get a palindrome (34313300331343).

The spelling of 31100000331230 in words is "thirty-one trillion, one hundred billion, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 487 974 2435 4870 8087 8279 16174 16558 40435 41395 46451 80870 82790 92902 137479 232255 274958 464510 687395 789667 1374790 1579334 3938369 3948335 7876738 7896670 19691845 22621637 39383690 45243274 66952273 113108185 133904546 226216370 334761365 375649237 384567829 669522730 751298474 769135658 1878246185 1922839145 3756492370 3845678290 6386037029 12772074058 31930185145 63860370290 182941178419 365882356838 914705892095 1829411784190 3110000033123 6220000066246 15550000165615 31100000331230