101331123103789 has 2 divisors, whose sum is σ = 101331123103790. Its totient is φ = 101331123103788.

The previous prime is 101331123103703. The next prime is 101331123103829. The reversal of 101331123103789 is 987301321133101.

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., 93115590728164 + 8215532375625 = 9649642^2 + 2866275^2 .

It is a cyclic number.

It is not a de Polignac number, because 101331123103789 - 2⁴¹ = 99132099848237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101331120103789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50665561551894 + 50665561551895.

It is an arithmetic number, because the mean of its divisors is an integer number (50665561551895).

Almost surely, 2^{101331123103789} is an apocalyptic number.

It is an amenable number.

101331123103789 is a deficient number, since it is larger than the sum of its proper divisors (1).

101331123103789 is an equidigital number, since it uses as much as digits as its factorization.

101331123103789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 101331123103789 in words is "one hundred one trillion, three hundred thirty-one billion, one hundred twenty-three million, one hundred three thousand, seven hundred eighty-nine".