331897250 has 32 divisors (see below), whose sum is σ = 625847040. Its totient is φ = 131790000.

The previous prime is 331897231. The next prime is 331897259. The reversal of 331897250 is 52798133.

331897250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331897250² = 220311569115125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331897259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29975 + ... + 39525.

It is an arithmetic number, because the mean of its divisors is an integer number (19557720).

Almost surely, 2^331897250 is an apocalyptic number.

331897250 is a deficient number, since it is larger than the sum of its proper divisors (293949790).

331897250 is a wasteful number, since it uses less digits than its factorization.

331897250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707 (or 9697 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 331897250 is about 18218.0473706707. The cubic root of 331897250 is about 692.3641164047.

The spelling of 331897250 in words is "three hundred thirty-one million, eight hundred ninety-seven thousand, two hundred fifty".