10103031109 has 2 divisors, whose sum is σ = 10103031110. Its totient is φ = 10103031108.

The previous prime is 10103031097. The next prime is 10103031149. The reversal of 10103031109 is 90113030101.

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., 6500390625 + 3602640484 = 80625^2 + 60022^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103031109 - 2¹⁵ = 10102998341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10103031149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051515554 + 5051515555.

It is an arithmetic number, because the mean of its divisors is an integer number (5051515555).

Almost surely, 2^10103031109 is an apocalyptic number.

It is an amenable number.

10103031109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103031109 is an equidigital number, since it uses as much as digits as its factorization.

10103031109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 19.

The spelling of 10103031109 in words is "ten billion, one hundred three million, thirty-one thousand, one hundred nine".