1320131321322 has 16 divisors (see below), whose sum is σ = 2880286519392. Its totient is φ = 400039794320.

The previous prime is 1320131321309. The next prime is 1320131321363. The reversal of 1320131321322 is 2231231310231.

It is a super-3 number, since 3×1320131321322³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1320131321292 and 1320131321301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000994793 + ... + 10000994924.

It is an arithmetic number, because the mean of its divisors is an integer number (180017907462).

Almost surely, 2^{1320131321322} is an apocalyptic number.

1320131321322 is an abundant number, since it is smaller than the sum of its proper divisors (1560155198070).

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

1320131321322 is a wasteful number, since it uses less digits than its factorization.

1320131321322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001989733.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1320131321322 its reverse (2231231310231), we get a palindrome (3551362631553).

The spelling of 1320131321322 in words is "one trillion, three hundred twenty billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-two".