1231443041108 has 24 divisors (see below), whose sum is σ = 2542334022144. Its totient is φ = 510736744800.

The previous prime is 1231443041069. The next prime is 1231443041117. The reversal of 1231443041108 is 8011403441321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709355723 + ... + 709357458.

It is an arithmetic number, because the mean of its divisors is an integer number (105930584256).

Almost surely, 2^{1231443041108} is an apocalyptic number.

It is an amenable number.

1231443041108 is an abundant number, since it is smaller than the sum of its proper divisors (1310890981036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231443041108 is a wasteful number, since it uses less digits than its factorization.

1231443041108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418713223 (or 1418713221 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 1231443041108 its reverse (8011403441321), we get a palindrome (9242846482429).

The spelling of 1231443041108 in words is "one trillion, two hundred thirty-one billion, four hundred forty-three million, forty-one thousand, one hundred eight".