2031130111289 has 2 divisors, whose sum is σ = 2031130111290. Its totient is φ = 2031130111288.

The previous prime is 2031130111277. The next prime is 2031130111313. The reversal of 2031130111289 is 9821110311302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391769951289 + 639360160000 = 1179733^2 + 799600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031130111289 - 2³⁶ = 1962410634553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031130119289) 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, 1015565055644 + 1015565055645.

It is an arithmetic number, because the mean of its divisors is an integer number (1015565055645).

Almost surely, 2^{2031130111289} is an apocalyptic number.

It is an amenable number.

2031130111289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031130111289 is an equidigital number, since it uses as much as digits as its factorization.

2031130111289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 2031130111289 in words is "two trillion, thirty-one billion, one hundred thirty million, one hundred eleven thousand, two hundred eighty-nine".