1310322122320 has 20 divisors (see below), whose sum is σ = 3046498934580. Its totient is φ = 524128848896.

The previous prime is 1310322122293. The next prime is 1310322122377. The reversal of 1310322122320 is 232212230131.

It can be written as a sum of positive squares in 2 ways, for example, as 500941203984 + 809380918336 = 707772^2 + 899656^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1310322122291 and 1310322122300.

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 3 ways as a sum of consecutive naturals, for example, 8189513185 + ... + 8189513344.

It is an arithmetic number, because the mean of its divisors is an integer number (152324946729).

Almost surely, 2^{1310322122320} is an apocalyptic number.

1310322122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310322122320 is an abundant number, since it is smaller than the sum of its proper divisors (1736176812260).

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

1310322122320 is a wasteful number, since it uses less digits than its factorization.

1310322122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16379026542 (or 16379026536 counting only the distinct ones).

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

Adding to 1310322122320 its reverse (232212230131), we get a palindrome (1542534352451).

The spelling of 1310322122320 in words is "one trillion, three hundred ten billion, three hundred twenty-two million, one hundred twenty-two thousand, three hundred twenty".