113403103231 has 4 divisors (see below), whose sum is σ = 123712476264. Its totient is φ = 103093730200.

The previous prime is 113403103223. The next prime is 113403103237. The reversal of 113403103231 is 132301304311.

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 113403103231 - 2³ = 113403103223 is a prime.

It is a super-2 number, since 2×113403103231² (a number of 23 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 (113403103237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154686500 + ... + 5154686521.

It is an arithmetic number, because the mean of its divisors is an integer number (30928119066).

Almost surely, 2^113403103231 is an apocalyptic number.

113403103231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113403103231 is a deficient number, since it is larger than the sum of its proper divisors (10309373033).

113403103231 is a wasteful number, since it uses less digits than its factorization.

113403103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309373032.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113403103231 its reverse (132301304311), we get a palindrome (245704407542).

The spelling of 113403103231 in words is "one hundred thirteen billion, four hundred three million, one hundred three thousand, two hundred thirty-one".