113031042321 has 16 divisors (see below), whose sum is σ = 157783268160. Its totient is φ = 71879035200.

The previous prime is 113031042287. The next prime is 113031042329. The reversal of 113031042321 is 123240130311.

It is not a de Polignac number, because 113031042321 - 2¹¹ = 113031040273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113031042329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7819330 + ... + 7833771.

It is an arithmetic number, because the mean of its divisors is an integer number (9861454260).

Almost surely, 2^113031042321 is an apocalyptic number.

It is an amenable number.

113031042321 is a deficient number, since it is larger than the sum of its proper divisors (44752225839).

113031042321 is a wasteful number, since it uses less digits than its factorization.

113031042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15653216.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113031042321 its reverse (123240130311), we get a palindrome (236271172632).

The spelling of 113031042321 in words is "one hundred thirteen billion, thirty-one million, forty-two thousand, three hundred twenty-one".