10102431109 has 4 divisors (see below), whose sum is σ = 10103147020. Its totient is φ = 10101715200.

The previous prime is 10102431107. The next prime is 10102431113. The reversal of 10102431109 is 90113420101.

10102431109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6096174084 + 4006257025 = 78078^2 + 63295^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102431109 - 2¹ = 10102431107 is a prime.

It is a super-2 number, since 2×10102431109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102431109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102431103) 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 in 3 ways as a sum of consecutive naturals, for example, 336354 + ... + 365155.

It is an arithmetic number, because the mean of its divisors is an integer number (2525786755).

Almost surely, 2^10102431109 is an apocalyptic number.

It is an amenable number.

10102431109 is a deficient number, since it is larger than the sum of its proper divisors (715911).

10102431109 is an equidigital number, since it uses as much as digits as its factorization.

10102431109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715910.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 10102431109 in words is "ten billion, one hundred two million, four hundred thirty-one thousand, one hundred nine".