317431777772 has 12 divisors (see below), whose sum is σ = 588182411880. Its totient is φ = 149379660096.

The previous prime is 317431777771. The next prime is 317431777783. The reversal of 317431777772 is 277777134713.

It is not an unprimeable number, because it can be changed into a prime (317431777771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334057122 + ... + 2334057257.

It is an arithmetic number, because the mean of its divisors is an integer number (49015200990).

Almost surely, 2^317431777772 is an apocalyptic number.

It is an amenable number.

317431777772 is a deficient number, since it is larger than the sum of its proper divisors (270750634108).

317431777772 is a wasteful number, since it uses less digits than its factorization.

317431777772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668114400 (or 4668114398 counting only the distinct ones).

The product of its digits is 8470728, while the sum is 56.

The spelling of 317431777772 in words is "three hundred seventeen billion, four hundred thirty-one million, seven hundred seventy-seven thousand, seven hundred seventy-two".