1322343220431 has 32 divisors (see below), whose sum is σ = 1894559040000. Its totient is φ = 818376983424.

The previous prime is 1322343220417. The next prime is 1322343220441. The reversal of 1322343220431 is 1340223432231.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1322343220431 is a prime.

It is a super-2 number, since 2×1322343220431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322343220441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953556 + ... + 1885193.

It is an arithmetic number, because the mean of its divisors is an integer number (59204970000).

Almost surely, 2^{1322343220431} is an apocalyptic number.

1322343220431 is a deficient number, since it is larger than the sum of its proper divisors (572215819569).

1322343220431 is a wasteful number, since it uses less digits than its factorization.

1322343220431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838975.

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

Adding to 1322343220431 its reverse (1340223432231), we get a palindrome (2662566652662).

The spelling of 1322343220431 in words is "one trillion, three hundred twenty-two billion, three hundred forty-three million, two hundred twenty thousand, four hundred thirty-one".