313343403987 has 16 divisors (see below), whose sum is σ = 422124580640. Its totient is φ = 206729183232.

The previous prime is 313343403983. The next prime is 313343404019. The reversal of 313343403987 is 789304343313.

It is not a de Polignac number, because 313343403987 - 2² = 313343403983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313343403983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7788339 + ... + 7828467.

It is an arithmetic number, because the mean of its divisors is an integer number (26382786290).

Almost surely, 2^313343403987 is an apocalyptic number.

313343403987 is a deficient number, since it is larger than the sum of its proper divisors (108781176653).

313343403987 is a wasteful number, since it uses less digits than its factorization.

313343403987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67062.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 313343403987 in words is "three hundred thirteen billion, three hundred forty-three million, four hundred three thousand, nine hundred eighty-seven".