231142113311 has 2 divisors, whose sum is σ = 231142113312. Its totient is φ = 231142113310.

The previous prime is 231142113263. The next prime is 231142113347. The reversal of 231142113311 is 113311241132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231142113311 - 2¹⁰ = 231142112287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231142113211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115571056655 + 115571056656.

It is an arithmetic number, because the mean of its divisors is an integer number (115571056656).

Almost surely, 2^231142113311 is an apocalyptic number.

231142113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

231142113311 is an equidigital number, since it uses as much as digits as its factorization.

231142113311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

Adding to 231142113311 its reverse (113311241132), we get a palindrome (344453354443).

The spelling of 231142113311 in words is "two hundred thirty-one billion, one hundred forty-two million, one hundred thirteen thousand, three hundred eleven".