331345621376 has 64 divisors (see below), whose sum is σ = 822985090560. Its totient is φ = 129095692800.

The previous prime is 331345621333. The next prime is 331345621471. The reversal of 331345621376 is 673126543133.

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

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 16799480 + ... + 16819191.

It is an arithmetic number, because the mean of its divisors is an integer number (12859142040).

Almost surely, 2^331345621376 is an apocalyptic number.

It is an amenable number.

331345621376 is an abundant number, since it is smaller than the sum of its proper divisors (491639469184).

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

331345621376 is a wasteful number, since it uses less digits than its factorization.

331345621376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33618703 (or 33618691 counting only the distinct ones).

The product of its digits is 816480, while the sum is 44.

The spelling of 331345621376 in words is "three hundred thirty-one billion, three hundred forty-five million, six hundred twenty-one thousand, three hundred seventy-six".