113331112222031 has 4 divisors (see below), whose sum is σ = 123633940605864. Its totient is φ = 103028283838200.

The previous prime is 113331112222019. The next prime is 113331112222117. The reversal of 113331112222031 is 130222211133311.

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 113331112222031 - 2³⁰ = 113330038480207 is a prime.

It is a super-2 number, since 2×113331112222031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331112222231) 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, 5151414191900 + ... + 5151414191921.

It is an arithmetic number, because the mean of its divisors is an integer number (30908485151466).

Almost surely, 2^{113331112222031} is an apocalyptic number.

113331112222031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113331112222031 is a deficient number, since it is larger than the sum of its proper divisors (10302828383833).

113331112222031 is a wasteful number, since it uses less digits than its factorization.

113331112222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302828383832.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 113331112222031 its reverse (130222211133311), we get a palindrome (243553323355342).

The spelling of 113331112222031 in words is "one hundred thirteen trillion, three hundred thirty-one billion, one hundred twelve million, two hundred twenty-two thousand, thirty-one".