313208953 has 4 divisors (see below), whose sum is σ = 318343588. Its totient is φ = 308074320.

The previous prime is 313208933. The next prime is 313208957. The reversal of 313208953 is 359802313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 151486864 + 161722089 = 12308^2 + 12717^2 .

It is a cyclic number.

It is not a de Polignac number, because 313208953 - 2¹³ = 313200761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313208957) 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, 2567226 + ... + 2567347.

It is an arithmetic number, because the mean of its divisors is an integer number (79585897).

Almost surely, 2^313208953 is an apocalyptic number.

It is an amenable number.

313208953 is a deficient number, since it is larger than the sum of its proper divisors (5134635).

313208953 is an equidigital number, since it uses as much as digits as its factorization.

313208953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134634.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 313208953 is about 17697.7103886350. The cubic root of 313208953 is about 679.1171884381.

The spelling of 313208953 in words is "three hundred thirteen million, two hundred eight thousand, nine hundred fifty-three".