16311871315 has 8 divisors (see below), whose sum is σ = 19662023808. Its totient is φ = 12990978240.

The previous prime is 16311871271. The next prime is 16311871333. The reversal of 16311871315 is 51317811361.

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

It is not a de Polignac number, because 16311871315 - 2¹⁹ = 16311347027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7313626 + ... + 7315855.

It is an arithmetic number, because the mean of its divisors is an integer number (2457752976).

Almost surely, 2^16311871315 is an apocalyptic number.

16311871315 is a deficient number, since it is larger than the sum of its proper divisors (3350152493).

16311871315 is a wasteful number, since it uses less digits than its factorization.

16311871315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14629709.

The product of its digits is 15120, while the sum is 37.

The spelling of 16311871315 in words is "sixteen billion, three hundred eleven million, eight hundred seventy-one thousand, three hundred fifteen".