113021232303 has 16 divisors (see below), whose sum is σ = 172229839616. Its totient is φ = 64580932800.

The previous prime is 113021232299. The next prime is 113021232323. The reversal of 113021232303 is 303232120311.

It is not a de Polignac number, because 113021232303 - 2² = 113021232299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113021232303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021232323) 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, 496800 + ... + 687642.

It is an arithmetic number, because the mean of its divisors is an integer number (10764364976).

Almost surely, 2^113021232303 is an apocalyptic number.

113021232303 is a deficient number, since it is larger than the sum of its proper divisors (59208607313).

113021232303 is a wasteful number, since it uses less digits than its factorization.

113021232303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219054.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 113021232303 its reverse (303232120311), we get a palindrome (416253352614).

The spelling of 113021232303 in words is "one hundred thirteen billion, twenty-one million, two hundred thirty-two thousand, three hundred three".