331121332 has 6 divisors (see below), whose sum is σ = 579462338. Its totient is φ = 165560664.

The previous prime is 331121299. The next prime is 331121347. The reversal of 331121332 is 233121133.

It can be written as a sum of positive squares in only one way, i.e., 171452836 + 159668496 = 13094^2 + 12636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41390163 + ... + 41390170.

Almost surely, 2^331121332 is an apocalyptic number.

It is an amenable number.

331121332 is a deficient number, since it is larger than the sum of its proper divisors (248341006).

331121332 is a wasteful number, since it uses less digits than its factorization.

331121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82780337 (or 82780335 counting only the distinct ones).

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

The square root of 331121332 is about 18196.7395980709. The cubic root of 331121332 is about 691.8241531424.

Adding to 331121332 its reverse (233121133), we get a palindrome (564242465).

The spelling of 331121332 in words is "three hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty-two".