313148340989 has 8 divisors (see below), whose sum is σ = 359596181280. Its totient is φ = 269697135600.

The previous prime is 313148340961. The next prime is 313148340991. The reversal of 313148340989 is 989043841313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313148340989 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 313148340989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313148340959) 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, 749158502 + ... + 749158919.

It is an arithmetic number, because the mean of its divisors is an integer number (44949522660).

Almost surely, 2^313148340989 is an apocalyptic number.

It is an amenable number.

313148340989 is a deficient number, since it is larger than the sum of its proper divisors (46447840291).

313148340989 is a wasteful number, since it uses less digits than its factorization.

313148340989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498317451.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 313148340989 in words is "three hundred thirteen billion, one hundred forty-eight million, three hundred forty thousand, nine hundred eighty-nine".