331532252 has 12 divisors (see below), whose sum is σ = 581675640. Its totient is φ = 165339216.

The previous prime is 331532239. The next prime is 331532291. The reversal of 331532252 is 252235133.

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, 104978 + ... + 108089.

It is an arithmetic number, because the mean of its divisors is an integer number (48472970).

Almost surely, 2^331532252 is an apocalyptic number.

It is an amenable number.

331532252 is a deficient number, since it is larger than the sum of its proper divisors (250143388).

331532252 is a wasteful number, since it uses less digits than its factorization.

331532252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213460 (or 213458 counting only the distinct ones).

The product of its digits is 5400, while the sum is 26.

The square root of 331532252 is about 18208.0271309112. The cubic root of 331532252 is about 692.1102183356.

Adding to 331532252 its reverse (252235133), we get a palindrome (583767385).

The spelling of 331532252 in words is "three hundred thirty-one million, five hundred thirty-two thousand, two hundred fifty-two".