231132010020311 has 2 divisors, whose sum is σ = 231132010020312. Its totient is φ = 231132010020310.

The previous prime is 231132010020271. The next prime is 231132010020323. The reversal of 231132010020311 is 113020010231132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231132010020311 - 2¹⁴ = 231132010003927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231132010020371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115566005010155 + 115566005010156.

It is an arithmetic number, because the mean of its divisors is an integer number (115566005010156).

Almost surely, 2^{231132010020311} is an apocalyptic number.

231132010020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

231132010020311 is an equidigital number, since it uses as much as digits as its factorization.

231132010020311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231132010020311 its reverse (113020010231132), we get a palindrome (344152020251443).

The spelling of 231132010020311 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, ten million, twenty thousand, three hundred eleven".