1322443230231 has 4 divisors (see below), whose sum is σ = 1763257640312. Its totient is φ = 881628820152.

The previous prime is 1322443230197. The next prime is 1322443230257. The reversal of 1322443230231 is 1320323442231.

It is a happy number.

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

It is not a de Polignac number, because 1322443230231 - 2⁷ = 1322443230103 is a prime.

It is a super-2 number, since 2×1322443230231² (a number of 25 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 (1322443230931) 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, 220407205036 + ... + 220407205041.

It is an arithmetic number, because the mean of its divisors is an integer number (440814410078).

Almost surely, 2^{1322443230231} is an apocalyptic number.

1322443230231 is a deficient number, since it is larger than the sum of its proper divisors (440814410081).

1322443230231 is an equidigital number, since it uses as much as digits as its factorization.

1322443230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440814410080.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1322443230231 its reverse (1320323442231), we get a palindrome (2642766672462).

The spelling of 1322443230231 in words is "one trillion, three hundred twenty-two billion, four hundred forty-three million, two hundred thirty thousand, two hundred thirty-one".