113003021131 has 64 divisors (see below), whose sum is σ = 154329477120. Its totient is φ = 79894563840.

The previous prime is 113003021083. The next prime is 113003021149. The reversal of 113003021131 is 131120300311.

It is not a de Polignac number, because 113003021131 - 2⁷ = 113003021003 is a prime.

It is a super-2 number, since 2×113003021131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113003021161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18422341 + ... + 18428473.

It is an arithmetic number, because the mean of its divisors is an integer number (2411398080).

Almost surely, 2^113003021131 is an apocalyptic number.

113003021131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113003021131 is a deficient number, since it is larger than the sum of its proper divisors (41326455989).

113003021131 is a wasteful number, since it uses less digits than its factorization.

113003021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 113003021131 its reverse (131120300311), we get a palindrome (244123321442).

The spelling of 113003021131 in words is "one hundred thirteen billion, three million, twenty-one thousand, one hundred thirty-one".