319314434643 has 12 divisors (see below), whose sum is σ = 468793141648. Its totient is φ = 209386514160.

The previous prime is 319314434633. The next prime is 319314434657. The reversal of 319314434643 is 346434413913.

It is a happy number.

It is not a de Polignac number, because 319314434643 - 2¹³ = 319314426451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319314434633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290814055 + ... + 290815152.

Almost surely, 2^319314434643 is an apocalyptic number.

319314434643 is a deficient number, since it is larger than the sum of its proper divisors (149478707005).

319314434643 is a wasteful number, since it uses less digits than its factorization.

319314434643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581629274 (or 581629271 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The spelling of 319314434643 in words is "three hundred nineteen billion, three hundred fourteen million, four hundred thirty-four thousand, six hundred forty-three".