317161642 has 16 divisors (see below), whose sum is σ = 572322240. Its totient is φ = 128772288.

The previous prime is 317161633. The next prime is 317161643. The reversal of 317161642 is 246161713.

It is a super-2 number, since 2×317161642² = 201183014312272328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317161643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595903 + ... + 596434.

It is an arithmetic number, because the mean of its divisors is an integer number (35770140).

Almost surely, 2^317161642 is an apocalyptic number.

317161642 is a deficient number, since it is larger than the sum of its proper divisors (255160598).

317161642 is a wasteful number, since it uses less digits than its factorization.

317161642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192365.

The product of its digits is 6048, while the sum is 31.

The square root of 317161642 is about 17809.0325958487. The cubic root of 317161642 is about 681.9620682200.

The spelling of 317161642 in words is "three hundred seventeen million, one hundred sixty-one thousand, six hundred forty-two".