2131132122389 has 2 divisors, whose sum is σ = 2131132122390. Its totient is φ = 2131132122388.

The previous prime is 2131132122319. The next prime is 2131132122397. The reversal of 2131132122389 is 9832212311312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1831780885489 + 299351236900 = 1353433^2 + 547130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131132122389 - 2¹⁶ = 2131132056853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131132122319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065566061194 + 1065566061195.

It is an arithmetic number, because the mean of its divisors is an integer number (1065566061195).

Almost surely, 2^{2131132122389} is an apocalyptic number.

It is an amenable number.

2131132122389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131132122389 is an equidigital number, since it uses as much as digits as its factorization.

2131132122389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The spelling of 2131132122389 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-two thousand, three hundred eighty-nine".