313130442 has 16 divisors (see below), whose sum is σ = 646463232. Its totient is φ = 101009760.

The previous prime is 313130437. The next prime is 313130491. The reversal of 313130442 is 244031313.

313130442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841563 + ... + 841934.

It is an arithmetic number, because the mean of its divisors is an integer number (40403952).

Almost surely, 2^313130442 is an apocalyptic number.

313130442 is an abundant number, since it is smaller than the sum of its proper divisors (333332790).

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

313130442 is a wasteful number, since it uses less digits than its factorization.

313130442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683533.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 313130442 is about 17695.4921378299. The cubic root of 313130442 is about 679.0604397141.

Adding to 313130442 its reverse (244031313), we get a palindrome (557161755).

The spelling of 313130442 in words is "three hundred thirteen million, one hundred thirty thousand, four hundred forty-two".