213313234393 has 4 divisors (see below), whose sum is σ = 243786553600. Its totient is φ = 182839915188.

The previous prime is 213313234331. The next prime is 213313234487. The reversal of 213313234393 is 393432313312.

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 213313234393 - 2¹⁷ = 213313103321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213313234193) 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, 15236659593 + ... + 15236659606.

It is an arithmetic number, because the mean of its divisors is an integer number (60946638400).

Almost surely, 2^213313234393 is an apocalyptic number.

It is an amenable number.

213313234393 is a deficient number, since it is larger than the sum of its proper divisors (30473319207).

213313234393 is an equidigital number, since it uses as much as digits as its factorization.

213313234393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30473319206.

The product of its digits is 104976, while the sum is 37.

The spelling of 213313234393 in words is "two hundred thirteen billion, three hundred thirteen million, two hundred thirty-four thousand, three hundred ninety-three".