331132111232 has 64 divisors (see below), whose sum is σ = 710806849200. Its totient is φ = 152747341824.

The previous prime is 331132111223. The next prime is 331132111241. The reversal of 331132111232 is 232111231133.

It is an interprime number because it is at equal distance from previous prime (331132111223) and next prime (331132111241).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 331132111198 and 331132111207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070319 + ... + 3176337.

Almost surely, 2^331132111232 is an apocalyptic number.

331132111232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331132111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355403424600).

331132111232 is an abundant number, since it is smaller than the sum of its proper divisors (379674737968).

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

331132111232 is a wasteful number, since it uses less digits than its factorization.

331132111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107923 (or 107911 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 331132111232 its reverse (232111231133), we get a palindrome (563243342365).

The spelling of 331132111232 in words is "three hundred thirty-one billion, one hundred thirty-two million, one hundred eleven thousand, two hundred thirty-two".