331138484 has 12 divisors (see below), whose sum is σ = 580555584. Its totient is φ = 165265464.

The previous prime is 331138471. The next prime is 331138523. The reversal of 331138484 is 484831133.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73484 + ... + 77859.

It is an arithmetic number, because the mean of its divisors is an integer number (48379632).

Almost surely, 2^331138484 is an apocalyptic number.

It is an amenable number.

331138484 is a deficient number, since it is larger than the sum of its proper divisors (249417100).

331138484 is a wasteful number, since it uses less digits than its factorization.

331138484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151894 (or 151892 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 331138484 is about 18197.2108851879. The cubic root of 331138484 is about 691.8360983740.

The spelling of 331138484 in words is "three hundred thirty-one million, one hundred thirty-eight thousand, four hundred eighty-four".