2131320122053 has 2 divisors, whose sum is σ = 2131320122054. Its totient is φ = 2131320122052.

The previous prime is 2131320121993. The next prime is 2131320122059. The reversal of 2131320122053 is 3502210231312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1490396589124 + 640923532929 = 1220818^2 + 800577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131320122053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131320122059) 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, 1065660061026 + 1065660061027.

It is an arithmetic number, because the mean of its divisors is an integer number (1065660061027).

Almost surely, 2^{2131320122053} is an apocalyptic number.

It is an amenable number.

2131320122053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131320122053 is an equidigital number, since it uses as much as digits as its factorization.

2131320122053 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 2131320122053 its reverse (3502210231312), we get a palindrome (5633530353365).

The spelling of 2131320122053 in words is "two trillion, one hundred thirty-one billion, three hundred twenty million, one hundred twenty-two thousand, fifty-three".