318377942 has 16 divisors (see below), whose sum is σ = 481185792. Its totient is φ = 157987560.

The previous prime is 318377923. The next prime is 318377993. The reversal of 318377942 is 249773813.

It is a junction number, because it is equal to n+sod(n) for n = 318377893 and 318377902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172967 + ... + 174797.

It is an arithmetic number, because the mean of its divisors is an integer number (30074112).

Almost surely, 2^318377942 is an apocalyptic number.

318377942 is a deficient number, since it is larger than the sum of its proper divisors (162807850).

318377942 is a wasteful number, since it uses less digits than its factorization.

318377942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443.

The product of its digits is 254016, while the sum is 44.

The square root of 318377942 is about 17843.1483208541. The cubic root of 318377942 is about 682.8327203632.

The spelling of 318377942 in words is "three hundred eighteen million, three hundred seventy-seven thousand, nine hundred forty-two".