1322404450231 has 4 divisors (see below), whose sum is σ = 1322884803312. Its totient is φ = 1321924097152.

The previous prime is 1322404450223. The next prime is 1322404450243. The reversal of 1322404450231 is 1320544042231.

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

It is a cyclic number.

It is not a de Polignac number, because 1322404450231 - 2³ = 1322404450223 is a prime.

It is a super-2 number, since 2×1322404450231² (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 = 1322404450193 and 1322404450202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322404450271) 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, 240172411 + ... + 240177916.

It is an arithmetic number, because the mean of its divisors is an integer number (330721200828).

Almost surely, 2^{1322404450231} is an apocalyptic number.

1322404450231 is a deficient number, since it is larger than the sum of its proper divisors (480353081).

1322404450231 is an equidigital number, since it uses as much as digits as its factorization.

1322404450231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480353080.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1322404450231 its reverse (1320544042231), we get a palindrome (2642948492462).

The spelling of 1322404450231 in words is "one trillion, three hundred twenty-two billion, four hundred four million, four hundred fifty thousand, two hundred thirty-one".