319275949 has 4 divisors (see below), whose sum is σ = 333157536. Its totient is φ = 305394364.

The previous prime is 319275941. The next prime is 319275953. The reversal of 319275949 is 949572913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 319275949 - 2³ = 319275941 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 (319275941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940759 + ... + 6940804.

It is an arithmetic number, because the mean of its divisors is an integer number (83289384).

Almost surely, 2^319275949 is an apocalyptic number.

It is an amenable number.

319275949 is a deficient number, since it is larger than the sum of its proper divisors (13881587).

319275949 is a wasteful number, since it uses less digits than its factorization.

319275949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881586.

The product of its digits is 612360, while the sum is 49.

The square root of 319275949 is about 17868.2945185040. The cubic root of 319275949 is about 683.4741100137.

The spelling of 319275949 in words is "three hundred nineteen million, two hundred seventy-five thousand, nine hundred forty-nine".