313213983 has 4 divisors (see below), whose sum is σ = 417618648. Its totient is φ = 208809320.

The previous prime is 313213973. The next prime is 313213997. The reversal of 313213983 is 389312313.

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 313213983 - 2²⁵ = 279659551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313213903) 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, 52202328 + ... + 52202333.

It is an arithmetic number, because the mean of its divisors is an integer number (104404662).

Almost surely, 2^313213983 is an apocalyptic number.

313213983 is a deficient number, since it is larger than the sum of its proper divisors (104404665).

313213983 is a wasteful number, since it uses less digits than its factorization.

313213983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104404664.

The product of its digits is 11664, while the sum is 33.

The square root of 313213983 is about 17697.8524968427. The cubic root of 313213983 is about 679.1208238611.

The spelling of 313213983 in words is "three hundred thirteen million, two hundred thirteen thousand, nine hundred eighty-three".