1320311022 has 16 divisors (see below), whose sum is σ = 2650665600. Its totient is φ = 438429752.

The previous prime is 1320311017. The next prime is 1320311039. The reversal of 1320311022 is 2201130231.

It is a junction number, because it is equal to n+sod(n) for n = 1320310992 and 1320311010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 416772 + ... + 419927.

It is an arithmetic number, because the mean of its divisors is an integer number (165666600).

Almost surely, 2^1320311022 is an apocalyptic number.

1320311022 is an abundant number, since it is smaller than the sum of its proper divisors (1330354578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320311022 is a wasteful number, since it uses less digits than its factorization.

1320311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836967.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320311022 is about 36336.0842964676. The cubic root of 1320311022 is about 1097.0474600592.

Adding to 1320311022 its reverse (2201130231), we get a palindrome (3521441253).

The spelling of 1320311022 in words is "one billion, three hundred twenty million, three hundred eleven thousand, twenty-two".