103211431099 has 4 divisors (see below), whose sum is σ = 117955921264. Its totient is φ = 88466940936.

The previous prime is 103211431079. The next prime is 103211431123. The reversal of 103211431099 is 990134112301.

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

It is a cyclic number.

It is not a de Polignac number, because 103211431099 - 2¹⁹ = 103210906811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103211431049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372245072 + ... + 7372245085.

It is an arithmetic number, because the mean of its divisors is an integer number (29488980316).

Almost surely, 2^103211431099 is an apocalyptic number.

103211431099 is a deficient number, since it is larger than the sum of its proper divisors (14744490165).

103211431099 is an equidigital number, since it uses as much as digits as its factorization.

103211431099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744490164.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 103211431099 in words is "one hundred three billion, two hundred eleven million, four hundred thirty-one thousand, ninety-nine".