1231444110044 has 24 divisors (see below), whose sum is σ = 2156656167120. Its totient is φ = 615256753536.

The previous prime is 1231444110023. The next prime is 1231444110047. The reversal of 1231444110044 is 4400114441321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231444109989 and 1231444110016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231444110047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68637227 + ... + 68655165.

It is an arithmetic number, because the mean of its divisors is an integer number (89860673630).

Almost surely, 2^{1231444110044} is an apocalyptic number.

It is an amenable number.

1231444110044 is a deficient number, since it is larger than the sum of its proper divisors (925212057076).

1231444110044 is a wasteful number, since it uses less digits than its factorization.

1231444110044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29957 (or 29955 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1231444110044 its reverse (4400114441321), we get a palindrome (5631558551365).

The spelling of 1231444110044 in words is "one trillion, two hundred thirty-one billion, four hundred forty-four million, one hundred ten thousand, forty-four".