331314312 has 64 divisors (see below), whose sum is σ = 968647680. Its totient is φ = 92457792.

The previous prime is 331314307. The next prime is 331314341. The reversal of 331314312 is 213413133.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15708 + ... + 30155.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^331314312 is an apocalyptic number.

It is an amenable number.

331314312 is an abundant number, since it is smaller than the sum of its proper divisors (637333368).

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

331314312 is a wasteful number, since it uses less digits than its factorization.

331314312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45922 (or 45918 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 331314312 is about 18202.0414239722. The cubic root of 331314312 is about 691.9585271457.

Adding to 331314312 its reverse (213413133), we get a palindrome (544727445).

The spelling of 331314312 in words is "three hundred thirty-one million, three hundred fourteen thousand, three hundred twelve".