2143232444231 has 8 divisors (see below), whose sum is σ = 2147206543200. Its totient is φ = 2139258799008.

The previous prime is 2143232444209. The next prime is 2143232444233. The reversal of 2143232444231 is 1324442323412.

It is a happy number.

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 2143232444231 - 2²² = 2143228249927 is a prime.

It is a super-2 number, since 2×2143232444231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143232444191 and 2143232444200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143232444233) 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, 10210070 + ... + 10417868.

It is an arithmetic number, because the mean of its divisors is an integer number (268400817900).

Almost surely, 2^{2143232444231} is an apocalyptic number.

2143232444231 is a deficient number, since it is larger than the sum of its proper divisors (3974098969).

2143232444231 is a wasteful number, since it uses less digits than its factorization.

2143232444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226873.

The product of its digits is 110592, while the sum is 35.

Adding to 2143232444231 its reverse (1324442323412), we get a palindrome (3467674767643).

The spelling of 2143232444231 in words is "two trillion, one hundred forty-three billion, two hundred thirty-two million, four hundred forty-four thousand, two hundred thirty-one".