212311013033131 has 4 divisors (see below), whose sum is σ = 223485276877000. Its totient is φ = 201136749189264.

The previous prime is 212311013033129. The next prime is 212311013033153. The reversal of 212311013033131 is 131330310113212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212311013033131 - 2¹ = 212311013033129 is a prime.

It is a super-2 number, since 2×212311013033131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212311013033096 and 212311013033105.

It is not an unprimeable number, because it can be changed into a prime (212311013093131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5587131921906 + ... + 5587131921943.

It is an arithmetic number, because the mean of its divisors is an integer number (55871319219250).

Almost surely, 2^{212311013033131} is an apocalyptic number.

212311013033131 is a deficient number, since it is larger than the sum of its proper divisors (11174263843869).

212311013033131 is a wasteful number, since it uses less digits than its factorization.

212311013033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174263843868.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 212311013033131 its reverse (131330310113212), we get a palindrome (343641323146343).

The spelling of 212311013033131 in words is "two hundred twelve trillion, three hundred eleven billion, thirteen million, thirty-three thousand, one hundred thirty-one".