213234215053 has 2 divisors, whose sum is σ = 213234215054. Its totient is φ = 213234215052.

The previous prime is 213234215027. The next prime is 213234215059. The reversal of 213234215053 is 350512432312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158517052164 + 54717162889 = 398142^2 + 233917^2 .

It is a cyclic number.

It is not a de Polignac number, because 213234215053 - 2³³ = 204644280461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213234215059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106617107526 + 106617107527.

It is an arithmetic number, because the mean of its divisors is an integer number (106617107527).

Almost surely, 2^213234215053 is an apocalyptic number.

It is an amenable number.

213234215053 is a deficient number, since it is larger than the sum of its proper divisors (1).

213234215053 is an equidigital number, since it uses as much as digits as its factorization.

213234215053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 213234215053 its reverse (350512432312), we get a palindrome (563746647365).

The spelling of 213234215053 in words is "two hundred thirteen billion, two hundred thirty-four million, two hundred fifteen thousand, fifty-three".