331003120320 has 84 divisors (see below), whose sum is σ = 1138512825840. Its totient is φ = 88267497984.

The previous prime is 331003120267. The next prime is 331003120333. The reversal of 331003120320 is 23021300133.

331003120320 is a `hidden beast` number, since 3 + 31 + 0 + 0 + 312 + 0 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 331003120293 and 331003120302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57462940 + ... + 57468699.

Almost surely, 2^331003120320 is an apocalyptic number.

331003120320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331003120320 is an abundant number, since it is smaller than the sum of its proper divisors (807509705520).

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

331003120320 is a wasteful number, since it uses less digits than its factorization.

331003120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114931662 (or 114931649 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 331003120320 its reverse (23021300133), we get a palindrome (354024420453).

The spelling of 331003120320 in words is "three hundred thirty-one billion, three million, one hundred twenty thousand, three hundred twenty".