321441140231 has 6 divisors (see below), whose sum is σ = 339249514032. Its totient is φ = 304523185140.

The previous prime is 321441140219. The next prime is 321441140233. The reversal of 321441140231 is 132041144123.

It is not a de Polignac number, because 321441140231 - 2²² = 321436945927 is a prime.

It is a super-2 number, since 2×321441140231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321441140231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321441140233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445208975 + ... + 445209696.

It is an arithmetic number, because the mean of its divisors is an integer number (56541585672).

Almost surely, 2^321441140231 is an apocalyptic number.

321441140231 is a deficient number, since it is larger than the sum of its proper divisors (17808373801).

321441140231 is an equidigital number, since it uses as much as digits as its factorization.

321441140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890418709 (or 890418690 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 321441140231 its reverse (132041144123), we get a palindrome (453482284354).

The spelling of 321441140231 in words is "three hundred twenty-one billion, four hundred forty-one million, one hundred forty thousand, two hundred thirty-one".