331201320330 has 16 divisors (see below), whose sum is σ = 794883168864. Its totient is φ = 88320352080.

The previous prime is 331201320323. The next prime is 331201320377. The reversal of 331201320330 is 33023102133.

It is a junction number, because it is equal to n+sod(n) for n = 331201320297 and 331201320306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520021976 + ... + 5520022035.

It is an arithmetic number, because the mean of its divisors is an integer number (49680198054).

Almost surely, 2^331201320330 is an apocalyptic number.

331201320330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331201320330 is an abundant number, since it is smaller than the sum of its proper divisors (463681848534).

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

331201320330 is a wasteful number, since it uses less digits than its factorization.

331201320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040044021.

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

Adding to 331201320330 its reverse (33023102133), we get a palindrome (364224422463).

The spelling of 331201320330 in words is "three hundred thirty-one billion, two hundred one million, three hundred twenty thousand, three hundred thirty".