213331020210133 has 4 divisors (see below), whose sum is σ = 243806880240160. Its totient is φ = 182855160180108.

The previous prime is 213331020210127. The next prime is 213331020210137. The reversal of 213331020210133 is 331012020133312.

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 213331020210133 - 2⁵ = 213331020210101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213331020210098 and 213331020210107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331020210137) 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, 15237930015003 + ... + 15237930015016.

It is an arithmetic number, because the mean of its divisors is an integer number (60951720060040).

Almost surely, 2^{213331020210133} is an apocalyptic number.

It is an amenable number.

213331020210133 is a deficient number, since it is larger than the sum of its proper divisors (30475860030027).

213331020210133 is an equidigital number, since it uses as much as digits as its factorization.

213331020210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475860030026.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213331020210133 its reverse (331012020133312), we get a palindrome (544343040343445).

The spelling of 213331020210133 in words is "two hundred thirteen trillion, three hundred thirty-one billion, twenty million, two hundred ten thousand, one hundred thirty-three".