231232211053 has 2 divisors, whose sum is σ = 231232211054. Its totient is φ = 231232211052.

The previous prime is 231232210987. The next prime is 231232211081. The reversal of 231232211053 is 350112232132.

231232211053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227646357129 + 3585853924 = 477123^2 + 59882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231232211053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231232211153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115616105526 + 115616105527.

It is an arithmetic number, because the mean of its divisors is an integer number (115616105527).

Almost surely, 2^231232211053 is an apocalyptic number.

It is an amenable number.

231232211053 is a deficient number, since it is larger than the sum of its proper divisors (1).

231232211053 is an equidigital number, since it uses as much as digits as its factorization.

231232211053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 231232211053 its reverse (350112232132), we get a palindrome (581344443185).

The spelling of 231232211053 in words is "two hundred thirty-one billion, two hundred thirty-two million, two hundred eleven thousand, fifty-three".