313667916991 has 8 divisors (see below), whose sum is σ = 368504965584. Its totient is φ = 263217832320.

The previous prime is 313667916853. The next prime is 313667917009. The reversal of 313667916991 is 199619766313.

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 313667916991 - 2²¹ = 313665819839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313667916391) 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, 1096740826 + ... + 1096741111.

It is an arithmetic number, because the mean of its divisors is an integer number (46063120698).

Almost surely, 2^313667916991 is an apocalyptic number.

313667916991 is a deficient number, since it is larger than the sum of its proper divisors (54837048593).

313667916991 is a wasteful number, since it uses less digits than its factorization.

313667916991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193481961.

The product of its digits is 9920232, while the sum is 61.

The spelling of 313667916991 in words is "three hundred thirteen billion, six hundred sixty-seven million, nine hundred sixteen thousand, nine hundred ninety-one".