213232033133 has 4 divisors (see below), whose sum is σ = 243693752160. Its totient is φ = 182770314108.

The previous prime is 213232033087. The next prime is 213232033171. The reversal of 213232033133 is 331330232312.

It is a happy number.

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 213232033133 - 2¹⁴ = 213232016749 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 (213232033193) 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, 15230859503 + ... + 15230859516.

It is an arithmetic number, because the mean of its divisors is an integer number (60923438040).

Almost surely, 2^213232033133 is an apocalyptic number.

It is an amenable number.

213232033133 is a deficient number, since it is larger than the sum of its proper divisors (30461719027).

213232033133 is an equidigital number, since it uses as much as digits as its factorization.

213232033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30461719026.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 213232033133 its reverse (331330232312), we get a palindrome (544562265445).

The spelling of 213232033133 in words is "two hundred thirteen billion, two hundred thirty-two million, thirty-three thousand, one hundred thirty-three".