313771418987 has 32 divisors (see below), whose sum is σ = 360975605760. Its totient is φ = 270522000000.

The previous prime is 313771418959. The next prime is 313771418993. The reversal of 313771418987 is 789814177313.

It is a cyclic number.

It is not a de Polignac number, because 313771418987 - 2⁶ = 313771418923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313771418957) 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, 55522112 + ... + 55527762.

It is an arithmetic number, because the mean of its divisors is an integer number (11280487680).

Almost surely, 2^313771418987 is an apocalyptic number.

313771418987 is a deficient number, since it is larger than the sum of its proper divisors (47204186773).

313771418987 is a wasteful number, since it uses less digits than its factorization.

313771418987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475.

The product of its digits is 7112448, while the sum is 59.

The spelling of 313771418987 in words is "three hundred thirteen billion, seven hundred seventy-one million, four hundred eighteen thousand, nine hundred eighty-seven".