113001131020 has 48 divisors (see below), whose sum is σ = 238223528928. Its totient is φ = 45025182720.

The previous prime is 113001130987. The next prime is 113001131029. The reversal of 113001131020 is 20131100311.

It is a super-2 number, since 2×113001131020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113001131029) 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 15 ways as a sum of consecutive naturals, for example, 11863860 + ... + 11873380.

It is an arithmetic number, because the mean of its divisors is an integer number (4962990186).

Almost surely, 2^113001131020 is an apocalyptic number.

113001131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113001131020 is an abundant number, since it is smaller than the sum of its proper divisors (125222397908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113001131020 is a wasteful number, since it uses less digits than its factorization.

113001131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770 (or 11768 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 113001131020 its reverse (20131100311), we get a palindrome (133132231331).

The spelling of 113001131020 in words is "one hundred thirteen billion, one million, one hundred thirty-one thousand, twenty".