331132132 has 6 divisors (see below), whose sum is σ = 579481238. Its totient is φ = 165566064.

The previous prime is 331132117. The next prime is 331132141. The reversal of 331132132 is 231231133.

It can be written as a sum of positive squares in only one way, i.e., 303317056 + 27815076 = 17416^2 + 5274^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41391513 + ... + 41391520.

Almost surely, 2^331132132 is an apocalyptic number.

It is an amenable number.

331132132 is a deficient number, since it is larger than the sum of its proper divisors (248349106).

331132132 is a wasteful number, since it uses less digits than its factorization.

331132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82783037 (or 82783035 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 331132132 is about 18197.0363521096. The cubic root of 331132132 is about 691.8316746749.

Adding to 331132132 its reverse (231231133), we get a palindrome (562363265).

Subtracting from 331132132 its reverse (231231133), we obtain a palindrome (99900999).

It can be divided in two parts, 33113 and 2132, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 331132132 in words is "three hundred thirty-one million, one hundred thirty-two thousand, one hundred thirty-two".