331312434 has 16 divisors (see below), whose sum is σ = 675127872. Its totient is φ = 108353648.

The previous prime is 331312427. The next prime is 331312453. The reversal of 331312434 is 434213133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520614 + ... + 521249.

It is an arithmetic number, because the mean of its divisors is an integer number (42195492).

Almost surely, 2^331312434 is an apocalyptic number.

331312434 is an abundant number, since it is smaller than the sum of its proper divisors (343815438).

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

331312434 is a wasteful number, since it uses less digits than its factorization.

331312434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041921.

The product of its digits is 2592, while the sum is 24.

The square root of 331312434 is about 18201.9898362789. The cubic root of 331312434 is about 691.9572197260.

Adding to 331312434 its reverse (434213133), we get a palindrome (765525567).

The spelling of 331312434 in words is "three hundred thirty-one million, three hundred twelve thousand, four hundred thirty-four".