313213123 has 8 divisors (see below), whose sum is σ = 325301760. Its totient is φ = 301350600.

The previous prime is 313213091. The next prime is 313213169. The reversal of 313213123 is 321312313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313213123 - 2⁵ = 313213091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313213123.

It is not an unprimeable number, because it can be changed into a prime (313213183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53703 + ... + 59248.

It is an arithmetic number, because the mean of its divisors is an integer number (40662720).

Almost surely, 2^313213123 is an apocalyptic number.

313213123 is a deficient number, since it is larger than the sum of its proper divisors (12088637).

313213123 is a wasteful number, since it uses less digits than its factorization.

313213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113057.

The product of its digits is 324, while the sum is 19.

The square root of 313213123 is about 17697.8282000928. The cubic root of 313213123 is about 679.1202023005.

Adding to 313213123 its reverse (321312313), we get a palindrome (634525436).

The spelling of 313213123 in words is "three hundred thirteen million, two hundred thirteen thousand, one hundred twenty-three".