143144343301231 has 4 divisors (see below), whose sum is σ = 144752706709200. Its totient is φ = 141535979893264.

The previous prime is 143144343301207. The next prime is 143144343301237. The reversal of 143144343301231 is 132103343441341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143144343301231 is a prime.

It is a super-2 number, since 2×143144343301231² (a number of 29 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 (143144343301237) 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, 804181703851 + ... + 804181704028.

It is an arithmetic number, because the mean of its divisors is an integer number (36188176677300).

Almost surely, 2^{143144343301231} is an apocalyptic number.

143144343301231 is a deficient number, since it is larger than the sum of its proper divisors (1608363407969).

143144343301231 is an equidigital number, since it uses as much as digits as its factorization.

143144343301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608363407968.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 143144343301231 its reverse (132103343441341), we get a palindrome (275247686742572).

The spelling of 143144343301231 in words is "one hundred forty-three trillion, one hundred forty-four billion, three hundred forty-three million, three hundred one thousand, two hundred thirty-one".