231221441441343 has 8 divisors (see below), whose sum is σ = 308928305062528. Its totient is φ = 153831102723864.

The previous prime is 231221441441311. The next prime is 231221441441351. The reversal of 231221441441343 is 343144144122132.

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

It is not a de Polignac number, because 231221441441343 - 2⁵ = 231221441441311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231221441440343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79131224221 + ... + 79131227142.

It is an arithmetic number, because the mean of its divisors is an integer number (38616038132816).

Almost surely, 2^{231221441441343} is an apocalyptic number.

231221441441343 is a deficient number, since it is larger than the sum of its proper divisors (77706863621185).

231221441441343 is a wasteful number, since it uses less digits than its factorization.

231221441441343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158262451853.

The product of its digits is 221184, while the sum is 39.

Adding to 231221441441343 its reverse (343144144122132), we get a palindrome (574365585563475).

The spelling of 231221441441343 in words is "two hundred thirty-one trillion, two hundred twenty-one billion, four hundred forty-one million, four hundred forty-one thousand, three hundred forty-three".