1322250021431 has 2 divisors, whose sum is σ = 1322250021432. Its totient is φ = 1322250021430.

The previous prime is 1322250021409. The next prime is 1322250021481. The reversal of 1322250021431 is 1341200522231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1322250021431 - 2¹⁰ = 1322250020407 is a prime.

It is a super-2 number, since 2×1322250021431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1322250021431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322250021481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661125010715 + 661125010716.

It is an arithmetic number, because the mean of its divisors is an integer number (661125010716).

Almost surely, 2^{1322250021431} is an apocalyptic number.

1322250021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322250021431 is an equidigital number, since it uses as much as digits as its factorization.

1322250021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1322250021431 its reverse (1341200522231), we get a palindrome (2663450543662).

The spelling of 1322250021431 in words is "one trillion, three hundred twenty-two billion, two hundred fifty million, twenty-one thousand, four hundred thirty-one".