1144431131335 has 8 divisors (see below), whose sum is σ = 1373441001840. Its totient is φ = 915462475584.

The previous prime is 1144431131317. The next prime is 1144431131381. The reversal of 1144431131335 is 5331311344411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144431131335 - 2³⁵ = 1110071392967 is a prime.

It is a super-3 number, since 3×1144431131335³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1144431131335.

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, 10242565 + ... + 10353694.

It is an arithmetic number, because the mean of its divisors is an integer number (171680125230).

Almost surely, 2^{1144431131335} is an apocalyptic number.

1144431131335 is a deficient number, since it is larger than the sum of its proper divisors (229009870505).

1144431131335 is a wasteful number, since it uses less digits than its factorization.

1144431131335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20607377.

The product of its digits is 25920, while the sum is 34.

Adding to 1144431131335 its reverse (5331311344411), we get a palindrome (6475742475746).

The spelling of 1144431131335 in words is "one trillion, one hundred forty-four billion, four hundred thirty-one million, one hundred thirty-one thousand, three hundred thirty-five".