313381189 has 8 divisors (see below), whose sum is σ = 346554432. Its totient is φ = 280988640.

The previous prime is 313381171. The next prime is 313381249. The reversal of 313381189 is 981183313.

It is a happy number.

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 313381189 - 2¹⁵ = 313348421 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 (313381169) 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, 194329 + ... + 195934.

It is an arithmetic number, because the mean of its divisors is an integer number (43319304).

Almost surely, 2^313381189 is an apocalyptic number.

It is an amenable number.

313381189 is a deficient number, since it is larger than the sum of its proper divisors (33173243).

313381189 is a wasteful number, since it uses less digits than its factorization.

313381189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390347.

The product of its digits is 15552, while the sum is 37.

The square root of 313381189 is about 17702.5757730337. The cubic root of 313381189 is about 679.2416495397.

The spelling of 313381189 in words is "three hundred thirteen million, three hundred eighty-one thousand, one hundred eighty-nine".