331011332 has 12 divisors (see below), whose sum is σ = 579509196. Its totient is φ = 165437280.

The previous prime is 331011323. The next prime is 331011337. The reversal of 331011332 is 233110133.

It can be written as a sum of positive squares in 2 ways, for example, as 212984836 + 118026496 = 14594^2 + 10864^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331011332.

It is not an unprimeable number, because it can be changed into a prime (331011337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303 + ... + 26270.

It is an arithmetic number, because the mean of its divisors is an integer number (48292433).

Almost surely, 2^331011332 is an apocalyptic number.

It is an amenable number.

331011332 is a deficient number, since it is larger than the sum of its proper divisors (248497864).

331011332 is a wasteful number, since it uses less digits than its factorization.

331011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34198 (or 34196 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 331011332 is about 18193.7168275204. The cubic root of 331011332 is about 691.7475356228.

Adding to 331011332 its reverse (233110133), we get a palindrome (564121465).

The spelling of 331011332 in words is "three hundred thirty-one million, eleven thousand, three hundred thirty-two".