1320131422 has 4 divisors (see below), whose sum is σ = 1980197136. Its totient is φ = 660065710.

The previous prime is 1320131389. The next prime is 1320131443. The reversal of 1320131422 is 2241310231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241310231 = 59 ⋅37988309.

It is a self number, because there is not a number n which added to its sum of digits gives 1320131422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330032854 + ... + 330032857.

It is an arithmetic number, because the mean of its divisors is an integer number (495049284).

Almost surely, 2^1320131422 is an apocalyptic number.

1320131422 is a deficient number, since it is larger than the sum of its proper divisors (660065714).

1320131422 is an equidigital number, since it uses as much as digits as its factorization.

1320131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660065713.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1320131422 is about 36333.6128399035. The cubic root of 1320131422 is about 1096.9977145434.

Adding to 1320131422 its reverse (2241310231), we get a palindrome (3561441653).

The spelling of 1320131422 in words is "one billion, three hundred twenty million, one hundred thirty-one thousand, four hundred twenty-two".