231130122232511 has 2 divisors, whose sum is σ = 231130122232512. Its totient is φ = 231130122232510.

The previous prime is 231130122232483. The next prime is 231130122232571. The reversal of 231130122232511 is 115232221031132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231130122232511 - 2³⁰ = 231129048490687 is a prime.

It is a super-2 number, since 2×231130122232511² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231130122232571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115565061116255 + 115565061116256.

It is an arithmetic number, because the mean of its divisors is an integer number (115565061116256).

Almost surely, 2^{231130122232511} is an apocalyptic number.

231130122232511 is a deficient number, since it is larger than the sum of its proper divisors (1).

231130122232511 is an equidigital number, since it uses as much as digits as its factorization.

231130122232511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 231130122232511 its reverse (115232221031132), we get a palindrome (346362343263643).

The spelling of 231130122232511 in words is "two hundred thirty-one trillion, one hundred thirty billion, one hundred twenty-two million, two hundred thirty-two thousand, five hundred eleven".