331253616 has 40 divisors (see below), whose sum is σ = 863602960. Its totient is φ = 109403136.

The previous prime is 331253597. The next prime is 331253617. The reversal of 331253616 is 616352133.

It is a happy number.

It is a super-2 number, since 2×331253616² = 219457916226150912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331253617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26425 + ... + 36888.

It is an arithmetic number, because the mean of its divisors is an integer number (21590074).

Almost surely, 2^331253616 is an apocalyptic number.

It is an amenable number.

331253616 is an abundant number, since it is smaller than the sum of its proper divisors (532349344).

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

331253616 is a wasteful number, since it uses less digits than its factorization.

331253616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63433 (or 63427 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 331253616 is about 18200.3740620900. The cubic root of 331253616 is about 691.9162695088.

The spelling of 331253616 in words is "three hundred thirty-one million, two hundred fifty-three thousand, six hundred sixteen".