213242792313 has 4 divisors (see below), whose sum is σ = 284323723088. Its totient is φ = 142161861540.

The previous prime is 213242792251. The next prime is 213242792317. The reversal of 213242792313 is 313297242312.

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 not a de Polignac number, because 213242792313 - 2⁶ = 213242792249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213242792317) 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, 35540465383 + ... + 35540465388.

It is an arithmetic number, because the mean of its divisors is an integer number (71080930772).

Almost surely, 2^213242792313 is an apocalyptic number.

It is an amenable number.

213242792313 is a deficient number, since it is larger than the sum of its proper divisors (71080930775).

213242792313 is an equidigital number, since it uses as much as digits as its factorization.

213242792313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71080930774.

The product of its digits is 108864, while the sum is 39.

The spelling of 213242792313 in words is "two hundred thirteen billion, two hundred forty-two million, seven hundred ninety-two thousand, three hundred thirteen".