213432542313 has 4 divisors (see below), whose sum is σ = 284576723088. Its totient is φ = 142288361540.

The previous prime is 213432542291. The next prime is 213432542321. The reversal of 213432542313 is 313245234312.

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 a cyclic number.

It is not a de Polignac number, because 213432542313 - 2⁹ = 213432541801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213432542383) 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, 35572090383 + ... + 35572090388.

It is an arithmetic number, because the mean of its divisors is an integer number (71144180772).

Almost surely, 2^213432542313 is an apocalyptic number.

It is an amenable number.

213432542313 is a deficient number, since it is larger than the sum of its proper divisors (71144180775).

213432542313 is an equidigital number, since it uses as much as digits as its factorization.

213432542313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71144180774.

The product of its digits is 51840, while the sum is 33.

Adding to 213432542313 its reverse (313245234312), we get a palindrome (526677776625).

The spelling of 213432542313 in words is "two hundred thirteen billion, four hundred thirty-two million, five hundred forty-two thousand, three hundred thirteen".