1322421131 has 2 divisors, whose sum is σ = 1322421132. Its totient is φ = 1322421130.

The previous prime is 1322421059. The next prime is 1322421241. The reversal of 1322421131 is 1311242231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1322421131 - 2¹⁴ = 1322404747 is a prime.

It is a super-2 number, since 2×1322421131² = 3497595295430638322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1322421031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661210565 + 661210566.

It is an arithmetic number, because the mean of its divisors is an integer number (661210566).

Almost surely, 2^1322421131 is an apocalyptic number.

1322421131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322421131 is an equidigital number, since it uses as much as digits as its factorization.

1322421131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 1322421131 is about 36365.1087032612. The cubic root of 1322421131 is about 1097.6315793973.

Adding to 1322421131 its reverse (1311242231), we get a palindrome (2633663362).

The spelling of 1322421131 in words is "one billion, three hundred twenty-two million, four hundred twenty-one thousand, one hundred thirty-one".