331997275 has 12 divisors (see below), whose sum is σ = 412417800. Its totient is φ = 265119680.

The previous prime is 331997257. The next prime is 331997297. The reversal of 331997275 is 572799133.

It is not a de Polignac number, because 331997275 - 2⁵ = 331997243 is a prime.

It is a super-2 number, since 2×331997275² = 220444381214851250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2556 + ... + 25894.

It is an arithmetic number, because the mean of its divisors is an integer number (34368150).

Almost surely, 2^331997275 is an apocalyptic number.

331997275 is a deficient number, since it is larger than the sum of its proper divisors (80420525).

331997275 is a wasteful number, since it uses less digits than its factorization.

331997275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23918 (or 23913 counting only the distinct ones).

The product of its digits is 357210, while the sum is 46.

The square root of 331997275 is about 18220.7923812330. The cubic root of 331997275 is about 692.4336627928.

The spelling of 331997275 in words is "three hundred thirty-one million, nine hundred ninety-seven thousand, two hundred seventy-five".