313840651 has 16 divisors (see below), whose sum is σ = 336356640. Its totient is φ = 291962880.

The previous prime is 313840643. The next prime is 313840717. The reversal of 313840651 is 156048313.

It is a cyclic number.

It is not a de Polignac number, because 313840651 - 2³ = 313840643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313840601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 489291 + ... + 489931.

It is an arithmetic number, because the mean of its divisors is an integer number (21022290).

Almost surely, 2^313840651 is an apocalyptic number.

313840651 is a deficient number, since it is larger than the sum of its proper divisors (22515989).

313840651 is a wasteful number, since it uses less digits than its factorization.

313840651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 313840651 is about 17715.5482839228. The cubic root of 313840651 is about 679.5734428327.

Adding to 313840651 its reverse (156048313), we get a palindrome (469888964).

The spelling of 313840651 in words is "three hundred thirteen million, eight hundred forty thousand, six hundred fifty-one".