1322133431 has 2 divisors, whose sum is σ = 1322133432. Its totient is φ = 1322133430.

The previous prime is 1322133413. The next prime is 1322133473. The reversal of 1322133431 is 1343312231.

Together with previous prime (1322133413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322133431 is a prime.

It is a super-4 number, since 4×1322133431⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1322133397 and 1322133406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322133481) 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 as a sum of consecutive naturals, namely, 661066715 + 661066716.

It is an arithmetic number, because the mean of its divisors is an integer number (661066716).

Almost surely, 2^1322133431 is an apocalyptic number.

1322133431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322133431 is an equidigital number, since it uses as much as digits as its factorization.

1322133431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 1322133431 is about 36361.1527732551. The cubic root of 1322133431 is about 1097.5519750259.

Adding to 1322133431 its reverse (1343312231), we get a palindrome (2665445662).

The spelling of 1322133431 in words is "one billion, three hundred twenty-two million, one hundred thirty-three thousand, four hundred thirty-one".