313906811 has 4 divisors (see below), whose sum is σ = 316786800. Its totient is φ = 311026824.

The previous prime is 313906763. The next prime is 313906877. The reversal of 313906811 is 118609313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313906811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313906711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439831 + ... + 1440048.

It is an arithmetic number, because the mean of its divisors is an integer number (79196700).

Almost surely, 2^313906811 is an apocalyptic number.

313906811 is a deficient number, since it is larger than the sum of its proper divisors (2879989).

313906811 is a wasteful number, since it uses less digits than its factorization.

313906811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879988.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 313906811 is about 17717.4154717893. The cubic root of 313906811 is about 679.6211925637.

The spelling of 313906811 in words is "three hundred thirteen million, nine hundred six thousand, eight hundred eleven".