113012331013 has 4 divisors (see below), whose sum is σ = 113013074560. Its totient is φ = 113011587468.

The previous prime is 113012331001. The next prime is 113012331059. The reversal of 113012331013 is 310133210311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 310133210311 = 55691 ⋅5568821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113012331013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012331073) 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, 52245 + ... + 478282.

It is an arithmetic number, because the mean of its divisors is an integer number (28253268640).

Almost surely, 2^113012331013 is an apocalyptic number.

It is an amenable number.

113012331013 is a deficient number, since it is larger than the sum of its proper divisors (743547).

113012331013 is an equidigital number, since it uses as much as digits as its factorization.

113012331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743546.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113012331013 its reverse (310133210311), we get a palindrome (423145541324).

The spelling of 113012331013 in words is "one hundred thirteen billion, twelve million, three hundred thirty-one thousand, thirteen".