331002132 has 48 divisors (see below), whose sum is σ = 796680192. Its totient is φ = 106898400.

The previous prime is 331002109. The next prime is 331002137. The reversal of 331002132 is 231200133.

It is a super-2 number, since 2×331002132² = 219124822777090848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331002137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63007 + ... + 68057.

It is an arithmetic number, because the mean of its divisors is an integer number (16597504).

Almost surely, 2^331002132 is an apocalyptic number.

It is an amenable number.

331002132 is an abundant number, since it is smaller than the sum of its proper divisors (465678060).

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

331002132 is a wasteful number, since it uses less digits than its factorization.

331002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 331002132 is about 18193.4639912250. The cubic root of 331002132 is about 691.7411268429.

Adding to 331002132 its reverse (231200133), we get a palindrome (562202265).

The spelling of 331002132 in words is "three hundred thirty-one million, two thousand, one hundred thirty-two".