2131453534013 has 2 divisors, whose sum is σ = 2131453534014. Its totient is φ = 2131453534012.

The previous prime is 2131453533959. The next prime is 2131453534073. The reversal of 2131453534013 is 3104353541312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1496910651289 + 634542882724 = 1223483^2 + 796582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131453534013 - 2¹² = 2131453529917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131453534073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065726767006 + 1065726767007.

It is an arithmetic number, because the mean of its divisors is an integer number (1065726767007).

Almost surely, 2^{2131453534013} is an apocalyptic number.

It is an amenable number.

2131453534013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131453534013 is an equidigital number, since it uses as much as digits as its factorization.

2131453534013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 2131453534013 in words is "two trillion, one hundred thirty-one billion, four hundred fifty-three million, five hundred thirty-four thousand, thirteen".