113011033231 has 4 divisors (see below), whose sum is σ = 116656550464. Its totient is φ = 109365516000.

The previous prime is 113011033211. The next prime is 113011033253. The reversal of 113011033231 is 132330110311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113011033231 - 2⁷ = 113011033103 is a prime.

It is a super-2 number, since 2×113011033231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113011033199 and 113011033208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011033211) 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, 1822758570 + ... + 1822758631.

It is an arithmetic number, because the mean of its divisors is an integer number (29164137616).

Almost surely, 2^113011033231 is an apocalyptic number.

113011033231 is a deficient number, since it is larger than the sum of its proper divisors (3645517233).

113011033231 is an equidigital number, since it uses as much as digits as its factorization.

113011033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645517232.

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

Adding to 113011033231 its reverse (132330110311), we get a palindrome (245341143542).

The spelling of 113011033231 in words is "one hundred thirteen billion, eleven million, thirty-three thousand, two hundred thirty-one".