17312114387 has 4 divisors (see below), whose sum is σ = 17555947056. Its totient is φ = 17068281720.

The previous prime is 17312114383. The next prime is 17312114419. The reversal of 17312114387 is 78341121371.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17312114387 - 2² = 17312114383 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 17312114387.

It is not an unprimeable number, because it can be changed into a prime (17312114381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121916228 + ... + 121916369.

It is an arithmetic number, because the mean of its divisors is an integer number (4388986764).

Almost surely, 2^17312114387 is an apocalyptic number.

17312114387 is a deficient number, since it is larger than the sum of its proper divisors (243832669).

17312114387 is an equidigital number, since it uses as much as digits as its factorization.

17312114387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243832668.

The product of its digits is 28224, while the sum is 38.

The spelling of 17312114387 in words is "seventeen billion, three hundred twelve million, one hundred fourteen thousand, three hundred eighty-seven".