319311047 has 8 divisors (see below), whose sum is σ = 363484800. Its totient is φ = 277661560.

The previous prime is 319311037. The next prime is 319311053. The reversal of 319311047 is 740113913.

It is a happy number.

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

It is not a de Polignac number, because 319311047 - 2¹⁰ = 319310023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319311037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630797 + ... + 631302.

It is an arithmetic number, because the mean of its divisors is an integer number (45435600).

Almost surely, 2^319311047 is an apocalyptic number.

319311047 is a deficient number, since it is larger than the sum of its proper divisors (44173753).

319311047 is a wasteful number, since it uses less digits than its factorization.

319311047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262133.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 319311047 is about 17869.2766221803. The cubic root of 319311047 is about 683.4991538621.

The spelling of 319311047 in words is "three hundred nineteen million, three hundred eleven thousand, forty-seven".