319347242 has 4 divisors (see below), whose sum is σ = 479020866. Its totient is φ = 159673620.

The previous prime is 319347241. The next prime is 319347293. The reversal of 319347242 is 242743913.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 312900721 + 6446521 = 17689^2 + 2539^2 .

It is not an unprimeable number, because it can be changed into a prime (319347241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79836809 + ... + 79836812.

Almost surely, 2^319347242 is an apocalyptic number.

319347242 is a deficient number, since it is larger than the sum of its proper divisors (159673624).

319347242 is a wasteful number, since it uses less digits than its factorization.

319347242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159673623.

The product of its digits is 36288, while the sum is 35.

The square root of 319347242 is about 17870.2893653125. The cubic root of 319347242 is about 683.5249785424.

The spelling of 319347242 in words is "three hundred nineteen million, three hundred forty-seven thousand, two hundred forty-two".