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31013763742 = 21341277105031
BaseRepresentation
bin11100111000100100…
…000111101010011110
32222001101212102210101
4130320210013222132
51002004010414432
622125244331314
72145356433163
oct347044075236
988041772711
1031013763742
1112175508805
126016543b3a
132c03410cc0
141702d3a06a
15c17b284e7
hex738907a9e

31013763742 has 32 divisors (see below), whose sum is σ = 51506852544. Its totient is φ = 13914374400.

The previous prime is 31013763733. The next prime is 31013763751. The reversal of 31013763742 is 24736731013.

It is an interprime number because it is at equal distance from previous prime (31013763733) and next prime (31013763751).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242767 + ... + 347797.

It is an arithmetic number, because the mean of its divisors is an integer number (1609589142).

Almost surely, 231013763742 is an apocalyptic number.

31013763742 is a deficient number, since it is larger than the sum of its proper divisors (20493088802).

31013763742 is a wasteful number, since it uses less digits than its factorization.

31013763742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105364.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 31013763742 in words is "thirty-one billion, thirteen million, seven hundred sixty-three thousand, seven hundred forty-two".

Divisors: 1 2 13 26 41 82 277 533 554 1066 3601 7202 11357 22714 105031 147641 210062 295282 1365403 2730806 4306271 8612542 29093587 55981523 58187174 111963046 378216631 756433262 1192837067 2385674134 15506881871 31013763742