317081943 has 12 divisors (see below), whose sum is σ = 484949088. Its totient is φ = 198953280.

The previous prime is 317081939. The next prime is 317082019. The reversal of 317081943 is 349180713.

It is a happy number.

It is not a de Polignac number, because 317081943 - 2² = 317081939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317081898 and 317081907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317081923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036063 + ... + 1036368.

It is an arithmetic number, because the mean of its divisors is an integer number (40412424).

Almost surely, 2^317081943 is an apocalyptic number.

317081943 is a deficient number, since it is larger than the sum of its proper divisors (167867145).

317081943 is a wasteful number, since it uses less digits than its factorization.

317081943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072454 (or 2072451 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 317081943 is about 17806.7948547738. The cubic root of 317081943 is about 681.9049404120.

The spelling of 317081943 in words is "three hundred seventeen million, eighty-one thousand, nine hundred forty-three".