331120030 has 72 divisors (see below), whose sum is σ = 656146008. Its totient is φ = 120263616.

The previous prime is 331120007. The next prime is 331120037. The reversal of 331120030 is 30021133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331120037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4942057 + ... + 4942123.

It is an arithmetic number, because the mean of its divisors is an integer number (9113139).

Almost surely, 2^331120030 is an apocalyptic number.

331120030 is a deficient number, since it is larger than the sum of its proper divisors (325025978).

331120030 is a wasteful number, since it uses less digits than its factorization.

331120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 331120030 is about 18196.7038223960. The cubic root of 331120030 is about 691.8232463688.

Adding to 331120030 its reverse (30021133), we get a palindrome (361141163).

The spelling of 331120030 in words is "three hundred thirty-one million, one hundred twenty thousand, thirty".