2313212123133 has 8 divisors (see below), whose sum is σ = 3426980923200. Its totient is φ = 1542141415404.

The previous prime is 2313212123113. The next prime is 2313212123143. The reversal of 2313212123133 is 3313212123132.

2313212123133 is a `hidden beast` number, since 2 + 3 + 1 + 321 + 21 + 2 + 313 + 3 = 666.

It is not a de Polignac number, because 2313212123133 - 2¹² = 2313212119037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 85674523079 = 2313212123133 / (2 + 3 + 1 + 3 + 2 + 1 + 2 + 1 + 2 + 3 + 1 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 2313212123097 and 2313212123106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313212123113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42837261513 + ... + 42837261566.

It is an arithmetic number, because the mean of its divisors is an integer number (428372615400).

Almost surely, 2^{2313212123133} is an apocalyptic number.

It is an amenable number.

2313212123133 is a deficient number, since it is larger than the sum of its proper divisors (1113768800067).

2313212123133 is an equidigital number, since it uses as much as digits as its factorization.

2313212123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85674523088 (or 85674523082 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 2313212123133 its reverse (3313212123132), we get a palindrome (5626424246265).

Subtracting 2313212123133 from its reverse (3313212123132), we obtain a palindrome (999999999999).

The spelling of 2313212123133 in words is "two trillion, three hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, one hundred thirty-three".