103331112109 has 4 divisors (see below), whose sum is σ = 104396381404. Its totient is φ = 102265842816.

The previous prime is 103331112013. The next prime is 103331112139. The reversal of 103331112109 is 901211133301.

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 78643789225 + 24687322884 = 280435^2 + 157122^2 .

It is a cyclic number.

It is not a de Polignac number, because 103331112109 - 2¹¹ = 103331110061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103331112139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532634502 + ... + 532634695.

It is an arithmetic number, because the mean of its divisors is an integer number (26099095351).

Almost surely, 2^103331112109 is an apocalyptic number.

It is an amenable number.

103331112109 is a deficient number, since it is larger than the sum of its proper divisors (1065269295).

103331112109 is an equidigital number, since it uses as much as digits as its factorization.

103331112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065269294.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 103331112109 in words is "one hundred three billion, three hundred thirty-one million, one hundred twelve thousand, one hundred nine".