331000132 has 24 divisors (see below), whose sum is σ = 626379264. Its totient is φ = 152449152.

The previous prime is 331000127. The next prime is 331000133. The reversal of 331000132 is 231000133.

It is a super-2 number, since 2×331000132² = 219122174768034848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331000133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48588 + ... + 54979.

It is an arithmetic number, because the mean of its divisors is an integer number (26099136).

Almost surely, 2^331000132 is an apocalyptic number.

It is an amenable number.

331000132 is a deficient number, since it is larger than the sum of its proper divisors (295379132).

331000132 is a wasteful number, since it uses less digits than its factorization.

331000132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103635 (or 103633 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 331000132 is about 18193.4090263480. The cubic root of 331000132 is about 691.7397336142.

Adding to 331000132 its reverse (231000133), we get a palindrome (562000265).

Subtracting from 331000132 its reverse (231000133), we obtain a palindrome (99999999).

The spelling of 331000132 in words is "three hundred thirty-one million, one hundred thirty-two", and thus it is an aban number.