1323131422 has 8 divisors (see below), whose sum is σ = 1990587456. Its totient is φ = 659602272.

The previous prime is 1323131401. The next prime is 1323131423. The reversal of 1323131422 is 2241313231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1323131393 and 1323131402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323131423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980878 + ... + 982225.

It is an arithmetic number, because the mean of its divisors is an integer number (248823432).

Almost surely, 2^1323131422 is an apocalyptic number.

1323131422 is a deficient number, since it is larger than the sum of its proper divisors (667456034).

1323131422 is a wasteful number, since it uses less digits than its factorization.

1323131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963442.

The product of its digits is 864, while the sum is 22.

The square root of 1323131422 is about 36374.8734980618. The cubic root of 1323131422 is about 1097.8280620131.

Adding to 1323131422 its reverse (2241313231), we get a palindrome (3564444653).

The spelling of 1323131422 in words is "one billion, three hundred twenty-three million, one hundred thirty-one thousand, four hundred twenty-two".