331314020 has 48 divisors (see below), whose sum is σ = 775474560. Its totient is φ = 118162944.

The previous prime is 331314013. The next prime is 331314047. The reversal of 331314020 is 20413133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 331314020.

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, 19184 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (16155720).

Almost surely, 2^331314020 is an apocalyptic number.

It is an amenable number.

331314020 is an abundant number, since it is smaller than the sum of its proper divisors (444160540).

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

331314020 is a wasteful number, since it uses less digits than its factorization.

331314020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51332 (or 51330 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 331314020 is about 18202.0334028921. The cubic root of 331314020 is about 691.9583238625.

Adding to 331314020 its reverse (20413133), we get a palindrome (351727153).

The spelling of 331314020 in words is "three hundred thirty-one million, three hundred fourteen thousand, twenty".