317279390051 has 4 divisors (see below), whose sum is σ = 341685496992. Its totient is φ = 292873283112.

The previous prime is 317279390039. The next prime is 317279390101. The reversal of 317279390051 is 150093972713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150093972713 = 19543 ⋅7680191.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317279390051 is a prime.

It is a super-2 number, since 2×317279390051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317279389978 and 317279390005.

It is not an unprimeable number, because it can be changed into a prime (317279390251) 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, 12203053451 + ... + 12203053476.

It is an arithmetic number, because the mean of its divisors is an integer number (85421374248).

Almost surely, 2^317279390051 is an apocalyptic number.

317279390051 is a deficient number, since it is larger than the sum of its proper divisors (24406106941).

317279390051 is a wasteful number, since it uses less digits than its factorization.

317279390051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24406106940.

The product of its (nonzero) digits is 357210, while the sum is 47.

The spelling of 317279390051 in words is "three hundred seventeen billion, two hundred seventy-nine million, three hundred ninety thousand, fifty-one".