233231001320111 has 2 divisors, whose sum is σ = 233231001320112. Its totient is φ = 233231001320110.

The previous prime is 233231001320081. The next prime is 233231001320309. The reversal of 233231001320111 is 111023100132332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233231001320111 - 2¹⁰ = 233231001319087 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 (233231001340111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116615500660055 + 116615500660056.

It is an arithmetic number, because the mean of its divisors is an integer number (116615500660056).

Almost surely, 2^{233231001320111} is an apocalyptic number.

233231001320111 is a deficient number, since it is larger than the sum of its proper divisors (1).

233231001320111 is an equidigital number, since it uses as much as digits as its factorization.

233231001320111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 233231001320111 its reverse (111023100132332), we get a palindrome (344254101452443).

The spelling of 233231001320111 in words is "two hundred thirty-three trillion, two hundred thirty-one billion, one million, three hundred twenty thousand, one hundred eleven".