212310022313231 has 16 divisors (see below), whose sum is σ = 219698835283968. Its totient is φ = 204955213636800.

The previous prime is 212310022313203. The next prime is 212310022313267. The reversal of 212310022313231 is 132313220013212.

It is a cyclic number.

It is not a de Polignac number, because 212310022313231 - 2²⁶ = 212309955204367 is a prime.

It is a super-2 number, since 2×212310022313231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212310022313231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212310022315231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49376726 + ... + 53504028.

It is an arithmetic number, because the mean of its divisors is an integer number (13731177205248).

Almost surely, 2^{212310022313231} is an apocalyptic number.

212310022313231 is a deficient number, since it is larger than the sum of its proper divisors (7388812970737).

212310022313231 is a wasteful number, since it uses less digits than its factorization.

212310022313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131422.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 212310022313231 its reverse (132313220013212), we get a palindrome (344623242326443).

The spelling of 212310022313231 in words is "two hundred twelve trillion, three hundred ten billion, twenty-two million, three hundred thirteen thousand, two hundred thirty-one".