113431321101 has 32 divisors (see below), whose sum is σ = 183038469120. Its totient is φ = 60997337856.

The previous prime is 113431321099. The next prime is 113431321177. The reversal of 113431321101 is 101123134311.

It is not a de Polignac number, because 113431321101 - 2¹ = 113431321099 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113431321181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3819030 + ... + 3848616.

It is an arithmetic number, because the mean of its divisors is an integer number (5719952160).

Almost surely, 2^113431321101 is an apocalyptic number.

It is an amenable number.

113431321101 is a deficient number, since it is larger than the sum of its proper divisors (69607148019).

113431321101 is a wasteful number, since it uses less digits than its factorization.

113431321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40353.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 113431321101 its reverse (101123134311), we get a palindrome (214554455412).

The spelling of 113431321101 in words is "one hundred thirteen billion, four hundred thirty-one million, three hundred twenty-one thousand, one hundred one".