318378342 has 32 divisors (see below), whose sum is σ = 647412480. Its totient is φ = 104358240.

The previous prime is 318378323. The next prime is 318378349. The reversal of 318378342 is 243873813.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 318378342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318378349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222084 + ... + 223512.

It is an arithmetic number, because the mean of its divisors is an integer number (20231640).

Almost surely, 2^318378342 is an apocalyptic number.

318378342 is an abundant number, since it is smaller than the sum of its proper divisors (329034138).

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

318378342 is a wasteful number, since it uses less digits than its factorization.

318378342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028.

The product of its digits is 96768, while the sum is 39.

The square root of 318378342 is about 17843.1595296349. The cubic root of 318378342 is about 682.8330063263.

The spelling of 318378342 in words is "three hundred eighteen million, three hundred seventy-eight thousand, three hundred forty-two".