331384681650 has 48 divisors (see below), whose sum is σ = 896546197728. Its totient is φ = 80335680000.

The previous prime is 331384681601. The next prime is 331384681679. The reversal of 331384681650 is 56186483133.

It is a self number, because there is not a number n which added to its sum of digits gives 331384681650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100417951 + ... + 100421250.

It is an arithmetic number, because the mean of its divisors is an integer number (18678045786).

Almost surely, 2^331384681650 is an apocalyptic number.

331384681650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331384681650 is an abundant number, since it is smaller than the sum of its proper divisors (565161516078).

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

331384681650 is a wasteful number, since it uses less digits than its factorization.

331384681650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200839227 (or 200839222 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 331384681650 in words is "three hundred thirty-one billion, three hundred eighty-four million, six hundred eighty-one thousand, six hundred fifty".