319380012 has 36 divisors (see below), whose sum is σ = 922654096. Its totient is φ = 91251360.

The previous prime is 319380007. The next prime is 319380013. The reversal of 319380012 is 210083913.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (319380013) 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, 633439 + ... + 633942.

Almost surely, 2^319380012 is an apocalyptic number.

It is an amenable number.

319380012 is an abundant number, since it is smaller than the sum of its proper divisors (603274084).

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

319380012 is a wasteful number, since it uses less digits than its factorization.

319380012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267398 (or 1267393 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 319380012 is about 17871.2062267772. The cubic root of 319380012 is about 683.5483578450.

The spelling of 319380012 in words is "three hundred nineteen million, three hundred eighty thousand, twelve".