317400042 has 32 divisors (see below), whose sum is σ = 640120320. Its totient is φ = 104918000.

The previous prime is 317400029. The next prime is 317400113. The reversal of 317400042 is 240004713.

It is a junction number, because it is equal to n+sod(n) for n = 317399991 and 317400018.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630763 + ... + 631265.

It is an arithmetic number, because the mean of its divisors is an integer number (20003760).

Almost surely, 2^317400042 is an apocalyptic number.

317400042 is an abundant number, since it is smaller than the sum of its proper divisors (322720278).

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

317400042 is a wasteful number, since it uses less digits than its factorization.

317400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 317400042 is about 17815.7245712881. The cubic root of 317400042 is about 682.1328949292.

Adding to 317400042 its reverse (240004713), we get a palindrome (557404755).

The spelling of 317400042 in words is "three hundred seventeen million, four hundred thousand, forty-two".