319426042 has 16 divisors (see below), whose sum is σ = 516412512. Its totient is φ = 147308400.

The previous prime is 319426033. The next prime is 319426061. The reversal of 319426042 is 240624913.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 319425995 and 319426013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33493 + ... + 41959.

It is an arithmetic number, because the mean of its divisors is an integer number (32275782).

Almost surely, 2^319426042 is an apocalyptic number.

319426042 is a deficient number, since it is larger than the sum of its proper divisors (196986470).

319426042 is a wasteful number, since it uses less digits than its factorization.

319426042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 319426042 is about 17872.4940061537. The cubic root of 319426042 is about 683.5811946103.

Subtracting from 319426042 its reverse (240624913), we obtain a square (78801129 = 8877²).

The spelling of 319426042 in words is "three hundred nineteen million, four hundred twenty-six thousand, forty-two".