316761390109 has 4 divisors (see below), whose sum is σ = 333433042240. Its totient is φ = 300089737980.

The previous prime is 316761390107. The next prime is 316761390193. The reversal of 316761390109 is 901093167613.

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.

It is a cyclic number.

It is not a de Polignac number, because 316761390109 - 2¹ = 316761390107 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 (316761390107) 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, 8335826037 + ... + 8335826074.

It is an arithmetic number, because the mean of its divisors is an integer number (83358260560).

Almost surely, 2^316761390109 is an apocalyptic number.

It is an amenable number.

316761390109 is a deficient number, since it is larger than the sum of its proper divisors (16671652131).

316761390109 is a wasteful number, since it uses less digits than its factorization.

316761390109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671652130.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 316761390109 in words is "three hundred sixteen billion, seven hundred sixty-one million, three hundred ninety thousand, one hundred nine".