319345424 has 10 divisors (see below), whose sum is σ = 618731790. Its totient is φ = 159672704.

The previous prime is 319345421. The next prime is 319345427. The reversal of 319345424 is 424543913.

It is an interprime number because it is at equal distance from previous prime (319345421) and next prime (319345427).

It can be written as a sum of positive squares in only one way, i.e., 165585424 + 153760000 = 12868^2 + 12400^2 .

It is not an unprimeable number, because it can be changed into a prime (319345421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9979529 + ... + 9979560.

It is an arithmetic number, because the mean of its divisors is an integer number (61873179).

Almost surely, 2^319345424 is an apocalyptic number.

It is an amenable number.

319345424 is a deficient number, since it is larger than the sum of its proper divisors (299386366).

319345424 is a wasteful number, since it uses less digits than its factorization.

319345424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959097 (or 19959091 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 319345424 is about 17870.2384986883. The cubic root of 319345424 is about 683.5236814687.

The spelling of 319345424 in words is "three hundred nineteen million, three hundred forty-five thousand, four hundred twenty-four".