313116635543 has 4 divisors (see below), whose sum is σ = 313204915560. Its totient is φ = 313028355528.

The previous prime is 313116635509. The next prime is 313116635569. The reversal of 313116635543 is 345536611313.

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

It is a cyclic number.

It is not a de Polignac number, because 313116635543 - 2¹⁸ = 313116373399 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 313116635543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313116635443) 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, 44134688 + ... + 44141781.

It is an arithmetic number, because the mean of its divisors is an integer number (78301228890).

Almost surely, 2^313116635543 is an apocalyptic number.

313116635543 is a deficient number, since it is larger than the sum of its proper divisors (88280017).

313116635543 is an equidigital number, since it uses as much as digits as its factorization.

313116635543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88280016.

The product of its digits is 291600, while the sum is 41.

The spelling of 313116635543 in words is "three hundred thirteen billion, one hundred sixteen million, six hundred thirty-five thousand, five hundred forty-three".