331003120030 has 128 divisors (see below), whose sum is σ = 671577661440. Its totient is φ = 116419200000.

The previous prime is 331003120009. The next prime is 331003120033. The reversal of 331003120030 is 30021300133.

It is a junction number, because it is equal to n+sod(n) for n = 331003119986 and 331003120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331003120033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 304510147 + ... + 304511233.

It is an arithmetic number, because the mean of its divisors is an integer number (5246700480).

Almost surely, 2^331003120030 is an apocalyptic number.

331003120030 is an abundant number, since it is smaller than the sum of its proper divisors (340574541410).

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

331003120030 is a wasteful number, since it uses less digits than its factorization.

331003120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 331003120030 its reverse (30021300133), we get a palindrome (361024420163).

The spelling of 331003120030 in words is "three hundred thirty-one billion, three million, one hundred twenty thousand, thirty".