313133442 has 32 divisors (see below), whose sum is σ = 645148800. Its totient is φ = 101248128.

The previous prime is 313133437. The next prime is 313133453. The reversal of 313133442 is 244331313.

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, 77734 + ... + 81662.

It is an arithmetic number, because the mean of its divisors is an integer number (20160900).

Almost surely, 2^313133442 is an apocalyptic number.

313133442 is an abundant number, since it is smaller than the sum of its proper divisors (332015358).

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

313133442 is a wasteful number, since it uses less digits than its factorization.

313133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330.

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

The square root of 313133442 is about 17695.5769049783. The cubic root of 313133442 is about 679.0626083256.

Adding to 313133442 its reverse (244331313), we get a palindrome (557464755).

The spelling of 313133442 in words is "three hundred thirteen million, one hundred thirty-three thousand, four hundred forty-two".