15319161317 has 4 divisors (see below), whose sum is σ = 15321920640. Its totient is φ = 15316401996.

The previous prime is 15319161313. The next prime is 15319161323. The reversal of 15319161317 is 71316191351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15319161317 - 2² = 15319161313 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 (15319161313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371317 + ... + 1382442.

It is an arithmetic number, because the mean of its divisors is an integer number (3830480160).

Almost surely, 2^15319161317 is an apocalyptic number.

It is an amenable number.

15319161317 is a deficient number, since it is larger than the sum of its proper divisors (2759323).

15319161317 is an equidigital number, since it uses as much as digits as its factorization.

15319161317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759322.

The product of its digits is 17010, while the sum is 38.

The spelling of 15319161317 in words is "fifteen billion, three hundred nineteen million, one hundred sixty-one thousand, three hundred seventeen".