313898651 has 4 divisors (see below), whose sum is σ = 342434904. Its totient is φ = 285362400.

The previous prime is 313898603. The next prime is 313898657. The reversal of 313898651 is 156898313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313898651 - 2¹⁰ = 313897627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313898657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14268110 + ... + 14268131.

It is an arithmetic number, because the mean of its divisors is an integer number (85608726).

Almost surely, 2^313898651 is an apocalyptic number.

313898651 is a deficient number, since it is larger than the sum of its proper divisors (28536253).

313898651 is a wasteful number, since it uses less digits than its factorization.

313898651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536252.

The product of its digits is 155520, while the sum is 44.

The square root of 313898651 is about 17717.1851883983. The cubic root of 313898651 is about 679.6153036005.

The spelling of 313898651 in words is "three hundred thirteen million, eight hundred ninety-eight thousand, six hundred fifty-one".