313690187 has 8 divisors (see below), whose sum is σ = 326211840. Its totient is φ = 301282240.

The previous prime is 313690183. The next prime is 313690189. The reversal of 313690187 is 781096313.

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 313690187 - 2² = 313690183 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 313690187.

It is not an unprimeable number, because it can be changed into a prime (313690183) 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, 22778 + ... + 33855.

It is an arithmetic number, because the mean of its divisors is an integer number (40776480).

Almost surely, 2^313690187 is an apocalyptic number.

313690187 is a deficient number, since it is larger than the sum of its proper divisors (12521653).

313690187 is a wasteful number, since it uses less digits than its factorization.

313690187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56853.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 313690187 is about 17711.3011097435. The cubic root of 313690187 is about 679.4648232904.

The spelling of 313690187 in words is "three hundred thirteen million, six hundred ninety thousand, one hundred eighty-seven".