319047912 has 48 divisors (see below), whose sum is σ = 873814500. Its totient is φ = 105152256.

The previous prime is 319047907. The next prime is 319047913. The reversal of 319047912 is 219740913.

It can be written as a sum of positive squares in 2 ways, for example, as 286489476 + 32558436 = 16926^2 + 5706^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (319047913) 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, 18487 + ... + 31302.

Almost surely, 2^319047912 is an apocalyptic number.

It is an amenable number.

319047912 is an abundant number, since it is smaller than the sum of its proper divisors (554766588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319047912 is a wasteful number, since it uses less digits than its factorization.

319047912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49890 (or 49883 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 319047912 is about 17861.9123276317. The cubic root of 319047912 is about 683.3113516361.

The spelling of 319047912 in words is "three hundred nineteen million, forty-seven thousand, nine hundred twelve".