313656163 has 4 divisors (see below), whose sum is σ = 313782048. Its totient is φ = 313530280.

The previous prime is 313656121. The next prime is 313656181. The reversal of 313656163 is 361656313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361656313 = 1979 ⋅182747.

It is a cyclic number.

It is not a de Polignac number, because 313656163 - 2²¹ = 311559011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313656113) 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, 59128 + ... + 64213.

It is an arithmetic number, because the mean of its divisors is an integer number (78445512).

Almost surely, 2^313656163 is an apocalyptic number.

313656163 is a deficient number, since it is larger than the sum of its proper divisors (125885).

313656163 is a wasteful number, since it uses less digits than its factorization.

313656163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125884.

The product of its digits is 29160, while the sum is 34.

The square root of 313656163 is about 17710.3405670247. The cubic root of 313656163 is about 679.4402566448.

The spelling of 313656163 in words is "three hundred thirteen million, six hundred fifty-six thousand, one hundred sixty-three".