231322302020231 has 2 divisors, whose sum is σ = 231322302020232. Its totient is φ = 231322302020230.

The previous prime is 231322302020219. The next prime is 231322302020261. The reversal of 231322302020231 is 132020203223132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231322302020231 - 2⁶ = 231322302020167 is a prime.

It is a super-2 number, since 2×231322302020231² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231322302020231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231322302020261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661151010115 + 115661151010116.

It is an arithmetic number, because the mean of its divisors is an integer number (115661151010116).

Almost surely, 2^{231322302020231} is an apocalyptic number.

231322302020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

231322302020231 is an equidigital number, since it uses as much as digits as its factorization.

231322302020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231322302020231 its reverse (132020203223132), we get a palindrome (363342505243363).

The spelling of 231322302020231 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred two million, twenty thousand, two hundred thirty-one".