3144428730143 has 4 divisors (see below), whose sum is σ = 3145830617688. Its totient is φ = 3143026842600.

The previous prime is 3144428730139. The next prime is 3144428730173. The reversal of 3144428730143 is 3410378244413.

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

It is a cyclic number.

It is not a de Polignac number, because 3144428730143 - 2² = 3144428730139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3144428730094 and 3144428730103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144428730173) 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, 700940408 + ... + 700944893.

It is an arithmetic number, because the mean of its divisors is an integer number (786457654422).

Almost surely, 2^{3144428730143} is an apocalyptic number.

3144428730143 is a deficient number, since it is larger than the sum of its proper divisors (1401887545).

3144428730143 is a wasteful number, since it uses less digits than its factorization.

3144428730143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401887544.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 3144428730143 in words is "three trillion, one hundred forty-four billion, four hundred twenty-eight million, seven hundred thirty thousand, one hundred forty-three".