2131012203389 has 2 divisors, whose sum is σ = 2131012203390. Its totient is φ = 2131012203388.

The previous prime is 2131012203377. The next prime is 2131012203403. The reversal of 2131012203389 is 9833022101312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1730724424900 + 400287778489 = 1315570^2 + 632683^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131012203389 - 2¹⁶ = 2131012137853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131012203889) 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, 1065506101694 + 1065506101695.

It is an arithmetic number, because the mean of its divisors is an integer number (1065506101695).

Almost surely, 2^{2131012203389} is an apocalyptic number.

It is an amenable number.

2131012203389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131012203389 is an equidigital number, since it uses as much as digits as its factorization.

2131012203389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 2131012203389 in words is "two trillion, one hundred thirty-one billion, twelve million, two hundred three thousand, three hundred eighty-nine".