316543345613 has 4 divisors (see below), whose sum is σ = 345320013408. Its totient is φ = 287766677820.

The previous prime is 316543345607. The next prime is 316543345621.

It is a happy number.

316543345613 is nontrivially palindromic in base 10.

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 316543345613 - 2⁸ = 316543345357 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 (316543345633) 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, 14388333881 + ... + 14388333902.

It is an arithmetic number, because the mean of its divisors is an integer number (86330003352).

Almost surely, 2^316543345613 is an apocalyptic number.

It is an amenable number.

316543345613 is a deficient number, since it is larger than the sum of its proper divisors (28776667795).

316543345613 is a wasteful number, since it uses less digits than its factorization.

316543345613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28776667794.

The product of its digits is 1166400, while the sum is 44.

The spelling of 316543345613 in words is "three hundred sixteen billion, five hundred forty-three million, three hundred forty-five thousand, six hundred thirteen".