1244113401231 has 12 divisors (see below), whose sum is σ = 1822363292880. Its totient is φ = 817727117760.

The previous prime is 1244113401211. The next prime is 1244113401247. The reversal of 1244113401231 is 1321043114421.

It is a happy number.

1244113401231 is a `hidden beast` number, since 1 + 24 + 4 + 1 + 1 + 3 + 401 + 231 = 666.

It is not a de Polignac number, because 1244113401231 - 2¹⁴ = 1244113384847 is a prime.

It is a super-2 number, since 2×1244113401231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244113401195 and 1244113401204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244113401211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 973484026 + ... + 973485303.

It is an arithmetic number, because the mean of its divisors is an integer number (151863607740).

Almost surely, 2^{1244113401231} is an apocalyptic number.

1244113401231 is a deficient number, since it is larger than the sum of its proper divisors (578249891649).

1244113401231 is a wasteful number, since it uses less digits than its factorization.

1244113401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946969406 (or 1946969403 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1244113401231 its reverse (1321043114421), we get a palindrome (2565156515652).

The spelling of 1244113401231 in words is "one trillion, two hundred forty-four billion, one hundred thirteen million, four hundred one thousand, two hundred thirty-one".