2131330099189 has 2 divisors, whose sum is σ = 2131330099190. Its totient is φ = 2131330099188.

The previous prime is 2131330099187. The next prime is 2131330099207. The reversal of 2131330099189 is 9819900331312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1658385055089 + 472945044100 = 1287783^2 + 687710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131330099189 - 2¹ = 2131330099187 is a prime.

Together with 2131330099187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131330099187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065665049594 + 1065665049595.

It is an arithmetic number, because the mean of its divisors is an integer number (1065665049595).

Almost surely, 2^{2131330099189} is an apocalyptic number.

It is an amenable number.

2131330099189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131330099189 is an equidigital number, since it uses as much as digits as its factorization.

2131330099189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 2131330099189 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, ninety-nine thousand, one hundred eighty-nine".