319312745421734 has 16 divisors (see below), whose sum is σ = 489074356032048. Its totient is φ = 156319888159872.

The previous prime is 319312745421721. The next prime is 319312745421767. The reversal of 319312745421734 is 437124547213913.

It is a self number, because there is not a number n which added to its sum of digits gives 319312745421734.

It is a congruent 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, 7982000432 + ... + 7982040435.

It is an arithmetic number, because the mean of its divisors is an integer number (30567147252003).

Almost surely, 2^{319312745421734} is an apocalyptic number.

319312745421734 is a deficient number, since it is larger than the sum of its proper divisors (169761610610314).

319312745421734 is a wasteful number, since it uses less digits than its factorization.

319312745421734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15964041079.

The product of its digits is 15240960, while the sum is 56.

The spelling of 319312745421734 in words is "three hundred nineteen trillion, three hundred twelve billion, seven hundred forty-five million, four hundred twenty-one thousand, seven hundred thirty-four".