1320131022 has 32 divisors (see below), whose sum is σ = 3194940672. Its totient is φ = 354993024.

The previous prime is 1320131009. The next prime is 1320131027. The reversal of 1320131022 is 2201310231.

It is a junction number, because it is equal to n+sod(n) for n = 1320130992 and 1320131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320131027) 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 in 15 ways as a sum of consecutive naturals, for example, 923748 + ... + 925175.

It is an arithmetic number, because the mean of its divisors is an integer number (99841896).

Almost surely, 2^1320131022 is an apocalyptic number.

1320131022 is an abundant number, since it is smaller than the sum of its proper divisors (1874809650).

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

1320131022 is a wasteful number, since it uses less digits than its factorization.

1320131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848952.

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

The square root of 1320131022 is about 36333.6073353583. The cubic root of 1320131022 is about 1096.9976037466.

Adding to 1320131022 its reverse (2201310231), we get a palindrome (3521441253).

It can be divided in two parts, 1 and 320131022, that added together give a palindrome (320131023).

The spelling of 1320131022 in words is "one billion, three hundred twenty million, one hundred thirty-one thousand, twenty-two".