103139812973 has 2 divisors, whose sum is σ = 103139812974. Its totient is φ = 103139812972.

The previous prime is 103139812961. The next prime is 103139812999. The reversal of 103139812973 is 379218931301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101023536964 + 2116276009 = 317842^2 + 46003^2 .

It is a cyclic number.

It is not a de Polignac number, because 103139812973 - 2¹⁰ = 103139811949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103139812903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51569906486 + 51569906487.

It is an arithmetic number, because the mean of its divisors is an integer number (51569906487).

Almost surely, 2^103139812973 is an apocalyptic number.

It is an amenable number.

103139812973 is a deficient number, since it is larger than the sum of its proper divisors (1).

103139812973 is an equidigital number, since it uses as much as digits as its factorization.

103139812973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 103139812973 in words is "one hundred three billion, one hundred thirty-nine million, eight hundred twelve thousand, nine hundred seventy-three".