113312231132220 has 72 divisors (see below), whose sum is σ = 347257208726064. Its totient is φ = 29905083675648.

The previous prime is 113312231132207. The next prime is 113312231132239. The reversal of 113312231132220 is 22231132213311.

113312231132220 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 1 + 2 + 2 + 311 + 322 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3244891794 + ... + 3244926713.

It is an arithmetic number, because the mean of its divisors is an integer number (4823016787862).

Almost surely, 2^{113312231132220} is an apocalyptic number.

113312231132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312231132220 is an abundant number, since it is smaller than the sum of its proper divisors (233944977593844).

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

113312231132220 is a wasteful number, since it uses less digits than its factorization.

113312231132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489818619 (or 6489818614 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 113312231132220 its reverse (22231132213311), we get a palindrome (135543363345531).

The spelling of 113312231132220 in words is "one hundred thirteen trillion, three hundred twelve billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty".