103139812903 has 2 divisors, whose sum is σ = 103139812904. Its totient is φ = 103139812902.

The previous prime is 103139812873. The next prime is 103139812927. The reversal of 103139812903 is 309218931301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103139812903 - 2⁵ = 103139812871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103139812973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51569906451 + 51569906452.

It is an arithmetic number, because the mean of its divisors is an integer number (51569906452).

Almost surely, 2^103139812903 is an apocalyptic number.

103139812903 is a deficient number, since it is larger than the sum of its proper divisors (1).

103139812903 is an equidigital number, since it uses as much as digits as its factorization.

103139812903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 103139812903 in words is "one hundred three billion, one hundred thirty-nine million, eight hundred twelve thousand, nine hundred three".