103131051187 has 2 divisors, whose sum is σ = 103131051188. Its totient is φ = 103131051186.

The previous prime is 103131051173. The next prime is 103131051203. The reversal of 103131051187 is 781150131301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103131051187 - 2¹⁹ = 103130526899 is a prime.

It is a super-2 number, since 2×103131051187² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103131052187) 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, 51565525593 + 51565525594.

It is an arithmetic number, because the mean of its divisors is an integer number (51565525594).

Almost surely, 2^103131051187 is an apocalyptic number.

103131051187 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131051187 is an equidigital number, since it uses as much as digits as its factorization.

103131051187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

Adding to 103131051187 its reverse (781150131301), we get a palindrome (884281182488).

The spelling of 103131051187 in words is "one hundred three billion, one hundred thirty-one million, fifty-one thousand, one hundred eighty-seven".