313921189 has 8 divisors (see below), whose sum is σ = 322916832. Its totient is φ = 305049840.

The previous prime is 313921183. The next prime is 313921219. The reversal of 313921189 is 981129313.

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 313921189 - 2¹¹ = 313919141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313921183) 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, 25939 + ... + 36064.

It is an arithmetic number, because the mean of its divisors is an integer number (40364604).

Almost surely, 2^313921189 is an apocalyptic number.

It is an amenable number.

313921189 is a deficient number, since it is larger than the sum of its proper divisors (8995643).

313921189 is an equidigital number, since it uses as much as digits as its factorization.

313921189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62147.

The product of its digits is 11664, while the sum is 37.

The square root of 313921189 is about 17717.8212260989. The cubic root of 313921189 is about 679.6315687263.

The spelling of 313921189 in words is "three hundred thirteen million, nine hundred twenty-one thousand, one hundred eighty-nine".