317233687382 has 4 divisors (see below), whose sum is σ = 475850531076. Its totient is φ = 158616843690.

The previous prime is 317233687367. The next prime is 317233687387. The reversal of 317233687382 is 283786332713.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317233687387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79308421844 + ... + 79308421847.

It is an arithmetic number, because the mean of its divisors is an integer number (118962632769).

Almost surely, 2^317233687382 is an apocalyptic number.

317233687382 is a deficient number, since it is larger than the sum of its proper divisors (158616843694).

317233687382 is a wasteful number, since it uses less digits than its factorization.

317233687382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158616843693.

The product of its digits is 6096384, while the sum is 53.

The spelling of 317233687382 in words is "three hundred seventeen billion, two hundred thirty-three million, six hundred eighty-seven thousand, three hundred eighty-two".