317607120221 has 8 divisors (see below), whose sum is σ = 331594255104. Its totient is φ = 303634829520.

The previous prime is 317607120217. The next prime is 317607120269. The reversal of 317607120221 is 122021706713.

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

It is a cyclic number.

It is not a de Polignac number, because 317607120221 - 2² = 317607120217 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 (317607120521) 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, 3667301 + ... + 3752906.

It is an arithmetic number, because the mean of its divisors is an integer number (41449281888).

Almost surely, 2^317607120221 is an apocalyptic number.

It is an amenable number.

317607120221 is a deficient number, since it is larger than the sum of its proper divisors (13987134883).

317607120221 is a wasteful number, since it uses less digits than its factorization.

317607120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422091.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 317607120221 its reverse (122021706713), we get a palindrome (439628826934).

The spelling of 317607120221 in words is "three hundred seventeen billion, six hundred seven million, one hundred twenty thousand, two hundred twenty-one".