113311131232 has 96 divisors (see below), whose sum is σ = 244590312960. Its totient is φ = 51352773120.

The previous prime is 113311131209. The next prime is 113311131341. The reversal of 113311131232 is 232131113311.

It is a super-2 number, since 2×113311131232² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27560857 + ... + 27564967.

It is an arithmetic number, because the mean of its divisors is an integer number (2547815760).

Almost surely, 2^113311131232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113311131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122295156480).

113311131232 is an abundant number, since it is smaller than the sum of its proper divisors (131279181728).

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

113311131232 is a wasteful number, since it uses less digits than its factorization.

113311131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5308 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

Adding to 113311131232 its reverse (232131113311), we get a palindrome (345442244543).

The spelling of 113311131232 in words is "one hundred thirteen billion, three hundred eleven million, one hundred thirty-one thousand, two hundred thirty-two".