317987082 has 24 divisors (see below), whose sum is σ = 787396896. Its totient is φ = 90853416.

The previous prime is 317987077. The next prime is 317987093. The reversal of 317987082 is 280789713.

It is a super-2 number, since 2×317987082² = 202231568637749448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1261728 + ... + 1261979.

It is an arithmetic number, because the mean of its divisors is an integer number (32808204).

Almost surely, 2^317987082 is an apocalyptic number.

317987082 is an abundant number, since it is smaller than the sum of its proper divisors (469409814).

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

317987082 is a wasteful number, since it uses less digits than its factorization.

317987082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523722 (or 2523719 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 317987082 is about 17832.1922937142. The cubic root of 317987082 is about 682.5531770344.

The spelling of 317987082 in words is "three hundred seventeen million, nine hundred eighty-seven thousand, eighty-two".