213312133101 has 4 divisors (see below), whose sum is σ = 284416177472. Its totient is φ = 142208088732.

The previous prime is 213312133051. The next prime is 213312133103. The reversal of 213312133101 is 101331213312.

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 not a de Polignac number, because 213312133101 - 2³³ = 204722198509 is a prime.

It is a super-2 number, since 2×213312133101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312133103) 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, 35552022181 + ... + 35552022186.

It is an arithmetic number, because the mean of its divisors is an integer number (71104044368).

Almost surely, 2^213312133101 is an apocalyptic number.

It is an amenable number.

213312133101 is a deficient number, since it is larger than the sum of its proper divisors (71104044371).

213312133101 is an equidigital number, since it uses as much as digits as its factorization.

213312133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71104044370.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213312133101 its reverse (101331213312), we get a palindrome (314643346413).

The spelling of 213312133101 in words is "two hundred thirteen billion, three hundred twelve million, one hundred thirty-three thousand, one hundred one".