331651132 has 12 divisors (see below), whose sum is σ = 594545616. Its totient is φ = 161780960.

The previous prime is 331651127. The next prime is 331651141. The reversal of 331651132 is 231156133.

It is a junction number, because it is equal to n+sod(n) for n = 331651097 and 331651106.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1010968 + ... + 1011295.

It is an arithmetic number, because the mean of its divisors is an integer number (49545468).

Almost surely, 2^331651132 is an apocalyptic number.

It is an amenable number.

331651132 is a deficient number, since it is larger than the sum of its proper divisors (262894484).

331651132 is a wasteful number, since it uses less digits than its factorization.

331651132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022308 (or 2022306 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 331651132 is about 18211.2913325772. The cubic root of 331651132 is about 692.1929334962.

The spelling of 331651132 in words is "three hundred thirty-one million, six hundred fifty-one thousand, one hundred thirty-two".