317400263263 has 4 divisors (see below), whose sum is σ = 319823166168. Its totient is φ = 314977360360.

The previous prime is 317400263251. The next prime is 317400263267. The reversal of 317400263263 is 362362004713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362362004713 = 61 ⋅5940360733.

It is a cyclic number.

It is not a de Polignac number, because 317400263263 - 2²⁵ = 317366708831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317400263267) 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, 1211451256 + ... + 1211451517.

It is an arithmetic number, because the mean of its divisors is an integer number (79955791542).

Almost surely, 2^317400263263 is an apocalyptic number.

317400263263 is a deficient number, since it is larger than the sum of its proper divisors (2422902905).

317400263263 is a wasteful number, since it uses less digits than its factorization.

317400263263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422902904.

The product of its (nonzero) digits is 108864, while the sum is 37.

Adding to 317400263263 its reverse (362362004713), we get a palindrome (679762267976).

The spelling of 317400263263 in words is "three hundred seventeen billion, four hundred million, two hundred sixty-three thousand, two hundred sixty-three".