103243042109 has 16 divisors (see below), whose sum is σ = 106437864960. Its totient is φ = 100107152640.

The previous prime is 103243042079. The next prime is 103243042141. The reversal of 103243042109 is 901240342301.

It is a cyclic number.

It is not a de Polignac number, because 103243042109 - 2¹² = 103243038013 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 (103243044109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290929 + ... + 1368569.

It is an arithmetic number, because the mean of its divisors is an integer number (6652366560).

Almost surely, 2^103243042109 is an apocalyptic number.

It is an amenable number.

103243042109 is a deficient number, since it is larger than the sum of its proper divisors (3194822851).

103243042109 is an equidigital number, since it uses as much as digits as its factorization.

103243042109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78020.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 103243042109 in words is "one hundred three billion, two hundred forty-three million, forty-two thousand, one hundred nine".