103731889 has 2 divisors, whose sum is σ = 103731890. Its totient is φ = 103731888.

The previous prime is 103731871. The next prime is 103731893. The reversal of 103731889 is 988137301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96196864 + 7535025 = 9808^2 + 2745^2 .

It is an emirp because it is prime and its reverse (988137301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103731889 - 2⁹ = 103731377 is a prime.

It is not a weakly prime, because it can be changed into another prime (103731809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51865944 + 51865945.

It is an arithmetic number, because the mean of its divisors is an integer number (51865945).

Almost surely, 2^103731889 is an apocalyptic number.

It is an amenable number.

103731889 is a deficient number, since it is larger than the sum of its proper divisors (1).

103731889 is an equidigital number, since it uses as much as digits as its factorization.

103731889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 103731889 is about 10184.8853209057. The cubic root of 103731889 is about 469.8624752304.

The spelling of 103731889 in words is "one hundred three million, seven hundred thirty-one thousand, eight hundred eighty-nine".