317880401 has 4 divisors (see below), whose sum is σ = 331701312. Its totient is φ = 304059492.

The previous prime is 317880391. The next prime is 317880427. The reversal of 317880401 is 104088713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104088713 = 647 ⋅160879.

It is a cyclic number.

It is not a de Polignac number, because 317880401 - 2⁶ = 317880337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317880461) 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, 6910421 + ... + 6910466.

It is an arithmetic number, because the mean of its divisors is an integer number (82925328).

Almost surely, 2^317880401 is an apocalyptic number.

It is an amenable number.

317880401 is a deficient number, since it is larger than the sum of its proper divisors (13820911).

317880401 is a wasteful number, since it uses less digits than its factorization.

317880401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820910.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 317880401 is about 17829.2007953245. The cubic root of 317880401 is about 682.4768389230.

The spelling of 317880401 in words is "three hundred seventeen million, eight hundred eighty thousand, four hundred one".