1002444431143 has 8 divisors (see below), whose sum is σ = 1061469726768. Its totient is φ = 943425577344.

The previous prime is 1002444431137. The next prime is 1002444431159. The reversal of 1002444431143 is 3411344442001.

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 1002444431143 - 2²⁹ = 1001907560231 is a prime.

It is a super-2 number, since 2×1002444431143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444431843) 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, 1288221 + ... + 1914262.

It is an arithmetic number, because the mean of its divisors is an integer number (132683715846).

Almost surely, 2^{1002444431143} is an apocalyptic number.

1002444431143 is a deficient number, since it is larger than the sum of its proper divisors (59025295625).

1002444431143 is a wasteful number, since it uses less digits than its factorization.

1002444431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220913.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1002444431143 its reverse (3411344442001), we get a palindrome (4413788873144).

The spelling of 1002444431143 in words is "one trillion, two billion, four hundred forty-four million, four hundred thirty-one thousand, one hundred forty-three".