103231231211 has 4 divisors (see below), whose sum is σ = 103233270624. Its totient is φ = 103229191800.

The previous prime is 103231231199. The next prime is 103231231219. The reversal of 103231231211 is 112132132301.

It is a happy number.

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 103231231211 - 2³⁴ = 86051362027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103231231219) 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, 941795 + ... + 1045676.

It is an arithmetic number, because the mean of its divisors is an integer number (25808317656).

Almost surely, 2^103231231211 is an apocalyptic number.

103231231211 is a deficient number, since it is larger than the sum of its proper divisors (2039413).

103231231211 is an equidigital number, since it uses as much as digits as its factorization.

103231231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039412.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103231231211 its reverse (112132132301), we get a palindrome (215363363512).

The spelling of 103231231211 in words is "one hundred three billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred eleven".