331230321330 has 32 divisors (see below), whose sum is σ = 795349796544. Its totient is φ = 88283971776.

The previous prime is 331230321319. The next prime is 331230321353. The reversal of 331230321330 is 33123032133.

It is a self number, because there is not a number n which added to its sum of digits gives 331230321330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2696029 + ... + 2816208.

It is an arithmetic number, because the mean of its divisors is an integer number (24854681142).

Almost surely, 2^331230321330 is an apocalyptic number.

331230321330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331230321330 is an abundant number, since it is smaller than the sum of its proper divisors (464119475214).

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

331230321330 is a wasteful number, since it uses less digits than its factorization.

331230321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514250.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 331230321330 its reverse (33123032133), we get a palindrome (364353353463).

The spelling of 331230321330 in words is "three hundred thirty-one billion, two hundred thirty million, three hundred twenty-one thousand, three hundred thirty".