113745975131 has 4 divisors (see below), whose sum is σ = 113773500672. Its totient is φ = 113718449592.

The previous prime is 113745975113. The next prime is 113745975169. The reversal of 113745975131 is 131579547311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131579547311 = 34129 ⋅3855359.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113745975131 is a prime.

It is a super-2 number, since 2×113745975131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113745975181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13756571 + ... + 13764836.

It is an arithmetic number, because the mean of its divisors is an integer number (28443375168).

Almost surely, 2^113745975131 is an apocalyptic number.

113745975131 is a deficient number, since it is larger than the sum of its proper divisors (27525541).

113745975131 is an equidigital number, since it uses as much as digits as its factorization.

113745975131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27525540.

The product of its digits is 396900, while the sum is 47.

The spelling of 113745975131 in words is "one hundred thirteen billion, seven hundred forty-five million, nine hundred seventy-five thousand, one hundred thirty-one".