319603231493 has 16 divisors (see below), whose sum is σ = 393493000320. Its totient is φ = 252785987136.

The previous prime is 319603231487. The next prime is 319603231501. The reversal of 319603231493 is 394132306913.

It is a cyclic number.

It is not a de Polignac number, because 319603231493 - 2¹⁰ = 319603230469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319603231483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336563 + ... + 867456.

It is an arithmetic number, because the mean of its divisors is an integer number (24593312520).

Almost surely, 2^319603231493 is an apocalyptic number.

It is an amenable number.

319603231493 is a deficient number, since it is larger than the sum of its proper divisors (73889768827).

319603231493 is a wasteful number, since it uses less digits than its factorization.

319603231493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206956.

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 319603231493 in words is "three hundred nineteen billion, six hundred three million, two hundred thirty-one thousand, four hundred ninety-three".