313112650 has 24 divisors (see below), whose sum is σ = 582941484. Its totient is φ = 125126400.

The previous prime is 313112633. The next prime is 313112669. The reversal of 313112650 is 56211313.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 191517921 + 121594729 = 13839^2 + 11027^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66370 + ... + 70930.

Almost surely, 2^313112650 is an apocalyptic number.

313112650 is a deficient number, since it is larger than the sum of its proper divisors (269828834).

313112650 is a wasteful number, since it uses less digits than its factorization.

313112650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5941 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 313112650 is about 17694.9894037832. The cubic root of 313112650 is about 679.0475781176.

Adding to 313112650 its reverse (56211313), we get a palindrome (369323963).

The spelling of 313112650 in words is "three hundred thirteen million, one hundred twelve thousand, six hundred fifty".