103131137 has 2 divisors, whose sum is σ = 103131138. Its totient is φ = 103131136.

The previous prime is 103131101. The next prime is 103131167. The reversal of 103131137 is 731131301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 48385936 = 7399^2 + 6956^2 .

It is a cyclic number.

It is not a de Polignac number, because 103131137 - 2⁶ = 103131073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103131167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565568 + 51565569.

It is an arithmetic number, because the mean of its divisors is an integer number (51565569).

Almost surely, 2^103131137 is an apocalyptic number.

It is an amenable number.

103131137 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131137 is an equidigital number, since it uses as much as digits as its factorization.

103131137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 103131137 is about 10155.3501662917. The cubic root of 103131137 is about 468.9536659976.

Adding to 103131137 its reverse (731131301), we get a palindrome (834262438).

The spelling of 103131137 in words is "one hundred three million, one hundred thirty-one thousand, one hundred thirty-seven".