1142044244031 has 4 divisors (see below), whose sum is σ = 1522725658712. Its totient is φ = 761362829352.

The previous prime is 1142044243979. The next prime is 1142044244039. The reversal of 1142044244031 is 1304424402411.

It is a happy number.

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

It is not a de Polignac number, because 1142044244031 - 2²² = 1142040049727 is a prime.

It is a super-2 number, since 2×1142044244031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142044244031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142044244039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190340707336 + ... + 190340707341.

It is an arithmetic number, because the mean of its divisors is an integer number (380681414678).

Almost surely, 2^{1142044244031} is an apocalyptic number.

1142044244031 is a deficient number, since it is larger than the sum of its proper divisors (380681414681).

1142044244031 is an equidigital number, since it uses as much as digits as its factorization.

1142044244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380681414680.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1142044244031 its reverse (1304424402411), we get a palindrome (2446468646442).

The spelling of 1142044244031 in words is "one trillion, one hundred forty-two billion, forty-four million, two hundred forty-four thousand, thirty-one".