313104987 has 32 divisors (see below), whose sum is σ = 511748160. Its totient is φ = 187971840.

The previous prime is 313104977. The next prime is 313105027. The reversal of 313104987 is 789401313.

It is a happy number.

It is not a de Polignac number, because 313104987 - 2⁶ = 313104923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313104947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3513 + ... + 25269.

It is an arithmetic number, because the mean of its divisors is an integer number (15992130).

Almost surely, 2^313104987 is an apocalyptic number.

313104987 is a deficient number, since it is larger than the sum of its proper divisors (198643173).

313104987 is a wasteful number, since it uses less digits than its factorization.

313104987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820 (or 21814 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 313104987 is about 17694.7728722355. The cubic root of 313104987 is about 679.0420384883.

The spelling of 313104987 in words is "three hundred thirteen million, one hundred four thousand, nine hundred eighty-seven".