213232110133 has 12 divisors (see below), whose sum is σ = 252725623020. Its totient is φ = 179321880192.

The previous prime is 213232110127. The next prime is 213232110149. The reversal of 213232110133 is 331011232312.

It can be written as a sum of positive squares in 2 ways, for example, as 53186506884 + 160045603249 = 230622^2 + 400057^2 .

It is not a de Polignac number, because 213232110133 - 2²⁹ = 212695239221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232110193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41050948 + ... + 41056141.

It is an arithmetic number, because the mean of its divisors is an integer number (21060468585).

Almost surely, 2^213232110133 is an apocalyptic number.

It is an amenable number.

213232110133 is a deficient number, since it is larger than the sum of its proper divisors (39493512887).

213232110133 is an equidigital number, since it uses as much as digits as its factorization.

213232110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82107156 (or 82107149 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213232110133 its reverse (331011232312), we get a palindrome (544243342445).

The spelling of 213232110133 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred ten thousand, one hundred thirty-three".