331146057 has 16 divisors (see below), whose sum is σ = 483598080. Its totient is φ = 199890000.

The previous prime is 331146017. The next prime is 331146083. The reversal of 331146057 is 750641133.

It is not a de Polignac number, because 331146057 - 2⁶ = 331145993 is a prime.

It is a super-2 number, since 2×331146057² = 219315422133294498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331146007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11707 + ... + 28272.

It is an arithmetic number, because the mean of its divisors is an integer number (30224880).

Almost surely, 2^331146057 is an apocalyptic number.

It is an amenable number.

331146057 is a deficient number, since it is larger than the sum of its proper divisors (152452023).

331146057 is a wasteful number, since it uses less digits than its factorization.

331146057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40244.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 331146057 is about 18197.4189653368. The cubic root of 331146057 is about 691.8413723355.

The spelling of 331146057 in words is "three hundred thirty-one million, one hundred forty-six thousand, fifty-seven".