16313205243 has 18 divisors (see below), whose sum is σ = 22365914004. Its totient is φ = 10576229184.

The previous prime is 16313205221. The next prime is 16313205247. The reversal of 16313205243 is 34250231361.

It is not a de Polignac number, because 16313205243 - 2²⁵ = 16279650811 is a prime.

It is a super-2 number, since 2×16313205243² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16313205243.

It is not an unprimeable number, because it can be changed into a prime (16313205247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8184255 + ... + 8186247.

It is an arithmetic number, because the mean of its divisors is an integer number (1242550778).

Almost surely, 2^16313205243 is an apocalyptic number.

16313205243 is a deficient number, since it is larger than the sum of its proper divisors (6052708761).

16313205243 is an frugal number, since it uses more digits than its factorization.

16313205243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 16313205243 in words is "sixteen billion, three hundred thirteen million, two hundred five thousand, two hundred forty-three".