313260691 has 4 divisors (see below), whose sum is σ = 316362384. Its totient is φ = 310159000.

The previous prime is 313260671. The next prime is 313260737. The reversal of 313260691 is 196062313.

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 313260691 - 2⁹ = 313260179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313260601) 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, 1550695 + ... + 1550896.

It is an arithmetic number, because the mean of its divisors is an integer number (79090596).

Almost surely, 2^313260691 is an apocalyptic number.

313260691 is a deficient number, since it is larger than the sum of its proper divisors (3101693).

313260691 is a wasteful number, since it uses less digits than its factorization.

313260691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101692.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 313260691 is about 17699.1720427821. The cubic root of 313260691 is about 679.1545801221.

The spelling of 313260691 in words is "three hundred thirteen million, two hundred sixty thousand, six hundred ninety-one".