317135998 has 4 divisors (see below), whose sum is σ = 475704000. Its totient is φ = 158567998.

The previous prime is 317135981. The next prime is 317136023. The reversal of 317135998 is 899531713.

It is a happy number.

317135998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 79283998 + ... + 79284001.

It is an arithmetic number, because the mean of its divisors is an integer number (118926000).

Almost surely, 2^317135998 is an apocalyptic number.

317135998 is a deficient number, since it is larger than the sum of its proper divisors (158568002).

317135998 is a wasteful number, since it uses less digits than its factorization.

317135998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158568001.

The product of its digits is 204120, while the sum is 46.

The square root of 317135998 is about 17808.3126095652. The cubic root of 317135998 is about 681.9436877852.

The spelling of 317135998 in words is "three hundred seventeen million, one hundred thirty-five thousand, nine hundred ninety-eight".