113232311220 has 48 divisors (see below), whose sum is σ = 362343397248. Its totient is φ = 25881671040.

The previous prime is 113232311207. The next prime is 113232311221. The reversal of 113232311220 is 22113232311.

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 (113232311221) 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, 134799951 + ... + 134800790.

It is an arithmetic number, because the mean of its divisors is an integer number (7548820776).

Almost surely, 2^113232311220 is an apocalyptic number.

113232311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113232311220 is an abundant number, since it is smaller than the sum of its proper divisors (249111086028).

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

113232311220 is a wasteful number, since it uses less digits than its factorization.

113232311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269600760 (or 269600758 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113232311220 its reverse (22113232311), we get a palindrome (135345543531).

The spelling of 113232311220 in words is "one hundred thirteen billion, two hundred thirty-two million, three hundred eleven thousand, two hundred twenty".