231122313319 has 2 divisors, whose sum is σ = 231122313320. Its totient is φ = 231122313318.

The previous prime is 231122313311. The next prime is 231122313353. The reversal of 231122313319 is 913313221132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231122313319 - 2³ = 231122313311 is a prime.

It is a super-2 number, since 2×231122313319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231122313311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561156659 + 115561156660.

It is an arithmetic number, because the mean of its divisors is an integer number (115561156660).

Almost surely, 2^231122313319 is an apocalyptic number.

231122313319 is a deficient number, since it is larger than the sum of its proper divisors (1).

231122313319 is an equidigital number, since it uses as much as digits as its factorization.

231122313319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The spelling of 231122313319 in words is "two hundred thirty-one billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred nineteen".