317212267421 has 8 divisors (see below), whose sum is σ = 375029281920. Its totient is φ = 262520497008.

The previous prime is 317212267387. The next prime is 317212267429. The reversal of 317212267421 is 124762212713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 317212267421 - 2¹⁸ = 317212005277 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 (317212267429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781310801 + ... + 781311206.

It is an arithmetic number, because the mean of its divisors is an integer number (46878660240).

Almost surely, 2^317212267421 is an apocalyptic number.

It is an amenable number.

317212267421 is a deficient number, since it is larger than the sum of its proper divisors (57817014499).

317212267421 is a wasteful number, since it uses less digits than its factorization.

317212267421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562622043.

The product of its digits is 56448, while the sum is 38.

The spelling of 317212267421 in words is "three hundred seventeen billion, two hundred twelve million, two hundred sixty-seven thousand, four hundred twenty-one".