313142650 has 24 divisors (see below), whose sum is σ = 583650144. Its totient is φ = 124998000.

The previous prime is 313142639. The next prime is 313142663. The reversal of 313142650 is 56241313.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18925 + ... + 31375.

It is an arithmetic number, because the mean of its divisors is an integer number (24318756).

Almost surely, 2^313142650 is an apocalyptic number.

313142650 is a deficient number, since it is larger than the sum of its proper divisors (270507494).

313142650 is a wasteful number, since it uses less digits than its factorization.

313142650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966 (or 12961 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 313142650 is about 17695.8370810764. The cubic root of 313142650 is about 679.0692644306.

Adding to 313142650 its reverse (56241313), we get a palindrome (369383963).

The spelling of 313142650 in words is "three hundred thirteen million, one hundred forty-two thousand, six hundred fifty".