231122322212311 has 2 divisors, whose sum is σ = 231122322212312. Its totient is φ = 231122322212310.

The previous prime is 231122322212279. The next prime is 231122322212363. The reversal of 231122322212311 is 113212223221132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231122322212311 - 2⁵ = 231122322212279 is a prime.

It is a super-3 number, since 3×231122322212311³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 231122322212311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231122322212381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561161106155 + 115561161106156.

It is an arithmetic number, because the mean of its divisors is an integer number (115561161106156).

Almost surely, 2^{231122322212311} is an apocalyptic number.

231122322212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

231122322212311 is an equidigital number, since it uses as much as digits as its factorization.

231122322212311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 231122322212311 its reverse (113212223221132), we get a palindrome (344334545433443).

The spelling of 231122322212311 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, three hundred twenty-two million, two hundred twelve thousand, three hundred eleven".