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20230213311 = 32711194335731
BaseRepresentation
bin10010110101110100…
…001000111010111111
31221012212201022112200
4102311310020322333
5312412413311221
613143231402543
71314215655510
oct226564107277
957185638480
1020230213311
118641478760
123b07083453
131ba52b0029
14d9cad0a07
157d6092426
hex4b5d08ebf

20230213311 has 96 divisors (see below), whose sum is σ = 39242311680. Its totient is φ = 9724276800.

The previous prime is 20230213291. The next prime is 20230213369. The reversal of 20230213311 is 11331203202.

It is not a de Polignac number, because 20230213311 - 27 = 20230213183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230213391) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 548316 + ... + 584046.

It is an arithmetic number, because the mean of its divisors is an integer number (408774080).

Almost surely, 220230213311 is an apocalyptic number.

20230213311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20230213311 is a deficient number, since it is larger than the sum of its proper divisors (19012098369).

20230213311 is a wasteful number, since it uses less digits than its factorization.

20230213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35817 (or 35814 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20230213311 its reverse (11331203202), we get a palindrome (31561416513).

The spelling of 20230213311 in words is "twenty billion, two hundred thirty million, two hundred thirteen thousand, three hundred eleven".

Divisors: 1 3 7 9 11 19 21 33 43 57 63 77 99 129 133 171 209 231 301 387 399 473 627 693 817 903 1197 1419 1463 1881 2451 2709 3311 4257 4389 5719 7353 8987 9933 13167 17157 26961 29799 35731 51471 62909 80883 107193 188727 250117 321579 393041 566181 678889 750351 1179123 1536433 2036667 2251053 2751287 3537369 4609299 4752223 6110001 7467779 8253861 10755031 13827897 14256669 16900763 22403337 24761583 29192227 32265093 42770007 50702289 52274453 67210011 87576681 96795279 118305341 152106867 156823359 204345589 262730043 321114497 354916023 470470077 613036767 963343491 1064748069 1839110301 2247801479 2890030473 6743404437 20230213311