331303231002 has 48 divisors (see below), whose sum is σ = 699706268352. Its totient is φ = 104563681920.

The previous prime is 331303230977. The next prime is 331303231003. The reversal of 331303231002 is 200132303133.

It is a self number, because there is not a number n which added to its sum of digits gives 331303231002.

It is not an unprimeable number, because it can be changed into a prime (331303231003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3924178 + ... + 4007714.

It is an arithmetic number, because the mean of its divisors is an integer number (14577213924).

Almost surely, 2^331303231002 is an apocalyptic number.

331303231002 is an abundant number, since it is smaller than the sum of its proper divisors (368403037350).

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

331303231002 is a wasteful number, since it uses less digits than its factorization.

331303231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85411 (or 85392 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331303231002 its reverse (200132303133), we get a palindrome (531435534135).

The spelling of 331303231002 in words is "three hundred thirty-one billion, three hundred three million, two hundred thirty-one thousand, two".