113257535731 has 2 divisors, whose sum is σ = 113257535732. Its totient is φ = 113257535730.

The previous prime is 113257535563. The next prime is 113257535767. The reversal of 113257535731 is 137535752311.

It is a strong prime.

It is an emirp because it is prime and its reverse (137535752311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113257535731 - 2³¹ = 111110052083 is a prime.

It is a super-2 number, since 2×113257535731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113257505731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56628767865 + 56628767866.

It is an arithmetic number, because the mean of its divisors is an integer number (56628767866).

Almost surely, 2^113257535731 is an apocalyptic number.

113257535731 is a deficient number, since it is larger than the sum of its proper divisors (1).

113257535731 is an equidigital number, since it uses as much as digits as its factorization.

113257535731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330750, while the sum is 43.

The spelling of 113257535731 in words is "one hundred thirteen billion, two hundred fifty-seven million, five hundred thirty-five thousand, seven hundred thirty-one".