316251304123543 has 4 divisors (see below), whose sum is σ = 316251405643248. Its totient is φ = 316251202603840.

The previous prime is 316251304123499. The next prime is 316251304123603. The reversal of 316251304123543 is 345321403152613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316251304123543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316251304123543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316251314123543) 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, 45934171 + ... + 52368412.

It is an arithmetic number, because the mean of its divisors is an integer number (79062851410812).

Almost surely, 2^{316251304123543} is an apocalyptic number.

316251304123543 is a deficient number, since it is larger than the sum of its proper divisors (101519705).

316251304123543 is an equidigital number, since it uses as much as digits as its factorization.

316251304123543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101519704.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 316251304123543 in words is "three hundred sixteen trillion, two hundred fifty-one billion, three hundred four million, one hundred twenty-three thousand, five hundred forty-three".