331387426752 has 84 divisors (see below), whose sum is σ = 905992521768. Its totient is φ = 106899110400.

The previous prime is 331387426751. The next prime is 331387426781. The reversal of 331387426752 is 257624783133.

It is a junction number, because it is equal to n+sod(n) for n = 331387426695 and 331387426704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331387426751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713499 + ... + 1082522.

Almost surely, 2^331387426752 is an apocalyptic number.

331387426752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331387426752 is an abundant number, since it is smaller than the sum of its proper divisors (574605095016).

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

331387426752 is a wasteful number, since it uses less digits than its factorization.

331387426752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796098 (or 1796057 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 331387426752 in words is "three hundred thirty-one billion, three hundred eighty-seven million, four hundred twenty-six thousand, seven hundred fifty-two".