1031144122139 has 2 divisors, whose sum is σ = 1031144122140. Its totient is φ = 1031144122138.

The previous prime is 1031144122009. The next prime is 1031144122147. The reversal of 1031144122139 is 9312214411301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031144122139 - 2²⁰ = 1031143073563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031144122159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515572061069 + 515572061070.

It is an arithmetic number, because the mean of its divisors is an integer number (515572061070).

Almost surely, 2^{1031144122139} is an apocalyptic number.

1031144122139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031144122139 is an equidigital number, since it uses as much as digits as its factorization.

1031144122139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1031144122139 in words is "one trillion, thirty-one billion, one hundred forty-four million, one hundred twenty-two thousand, one hundred thirty-nine".