331481900 has 18 divisors (see below), whose sum is σ = 719315940. Its totient is φ = 132592720.

The previous prime is 331481893. The next prime is 331481903. The reversal of 331481900 is 9184133.

It is a super-2 number, since 2×331481900² = 219760500055220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331481903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1657310 + ... + 1657509.

Almost surely, 2^331481900 is an apocalyptic number.

It is an amenable number.

331481900 is an abundant number, since it is smaller than the sum of its proper divisors (387834040).

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

331481900 is a wasteful number, since it uses less digits than its factorization.

331481900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314833 (or 3314826 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 331481900 is about 18206.6443915401. The cubic root of 331481900 is about 692.0751781066.

The spelling of 331481900 in words is "three hundred thirty-one million, four hundred eighty-one thousand, nine hundred".