313144402 has 16 divisors (see below), whose sum is σ = 490758912. Its totient is φ = 149575360.

The previous prime is 313144373. The next prime is 313144417. The reversal of 313144402 is 204441313.

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, 36663 + ... + 44389.

It is an arithmetic number, because the mean of its divisors is an integer number (30672432).

Almost surely, 2^313144402 is an apocalyptic number.

313144402 is a deficient number, since it is larger than the sum of its proper divisors (177614510).

313144402 is a wasteful number, since it uses less digits than its factorization.

313144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 313144402 is about 17695.8865841754. The cubic root of 313144402 is about 679.0705308685.

Adding to 313144402 its reverse (204441313), we get a palindrome (517585715).

The spelling of 313144402 in words is "three hundred thirteen million, one hundred forty-four thousand, four hundred two".