331112131231020 has 192 divisors, whose sum is σ = 1028580873255936. Its totient is φ = 79159660462080.

The previous prime is 331112131231001. The next prime is 331112131231031. The reversal of 331112131231020 is 20132131211133.

It is a super-2 number, since 2×331112131231020² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23628094 + ... + 34935813.

It is an arithmetic number, because the mean of its divisors is an integer number (5357192048208).

Almost surely, 2^{331112131231020} is an apocalyptic number.

331112131231020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331112131231020 is an abundant number, since it is smaller than the sum of its proper divisors (697468742024916).

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

331112131231020 is a wasteful number, since it uses less digits than its factorization.

331112131231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58564200 (or 58564198 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 331112131231020 its reverse (20132131211133), we get a palindrome (351244262442153).

The spelling of 331112131231020 in words is "three hundred thirty-one trillion, one hundred twelve billion, one hundred thirty-one million, two hundred thirty-one thousand, twenty".