103131303039889 has 2 divisors, whose sum is σ = 103131303039890. Its totient is φ = 103131303039888.

The previous prime is 103131303039887. The next prime is 103131303039893. The reversal of 103131303039889 is 988930303131301.

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., 68759055083664 + 34372247956225 = 8292108^2 + 5862785^2 .

It is a cyclic number.

It is not a de Polignac number, because 103131303039889 - 2¹ = 103131303039887 is a prime.

Together with 103131303039887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103131303039887) 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, 51565651519944 + 51565651519945.

It is an arithmetic number, because the mean of its divisors is an integer number (51565651519945).

Almost surely, 2^{103131303039889} is an apocalyptic number.

It is an amenable number.

103131303039889 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131303039889 is an equidigital number, since it uses as much as digits as its factorization.

103131303039889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 103131303039889 in words is "one hundred three trillion, one hundred thirty-one billion, three hundred three million, thirty-nine thousand, eight hundred eighty-nine".