317143146 has 16 divisors (see below), whose sum is σ = 649037664. Its totient is φ = 103255824.

The previous prime is 317143111. The next prime is 317143147. The reversal of 317143146 is 641341713.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (317143147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614361 + ... + 614876.

It is an arithmetic number, because the mean of its divisors is an integer number (40564854).

Almost surely, 2^317143146 is an apocalyptic number.

317143146 is an abundant number, since it is smaller than the sum of its proper divisors (331894518).

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

317143146 is a wasteful number, since it uses less digits than its factorization.

317143146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229285.

The product of its digits is 6048, while the sum is 30.

The square root of 317143146 is about 17808.5133012276. The cubic root of 317143146 is about 681.9488112410.

Adding to 317143146 its reverse (641341713), we get a palindrome (958484859).

The spelling of 317143146 in words is "three hundred seventeen million, one hundred forty-three thousand, one hundred forty-six".