331396283280 has 40 divisors (see below), whose sum is σ = 1027328478912. Its totient is φ = 88372342144.

The previous prime is 331396283191. The next prime is 331396283303. The reversal of 331396283280 is 82382693133.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 690408684 + ... + 690409163.

Almost surely, 2^331396283280 is an apocalyptic number.

331396283280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331396283280 is an abundant number, since it is smaller than the sum of its proper divisors (695932195632).

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

331396283280 is a wasteful number, since it uses less digits than its factorization.

331396283280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380817863 (or 1380817857 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 331396283280 in words is "three hundred thirty-one billion, three hundred ninety-six million, two hundred eighty-three thousand, two hundred eighty".