1310021012322 has 96 divisors (see below), whose sum is σ = 3184416555840. Its totient is φ = 385722725760.

The previous prime is 1310021012309. The next prime is 1310021012351. The reversal of 1310021012322 is 2232101200131.

1310021012322 is a `hidden beast` number, since 1 + 310 + 0 + 21 + 0 + 12 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1310021012295 and 1310021012304.

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 47 ways as a sum of consecutive naturals, for example, 5292928 + ... + 5534900.

It is an arithmetic number, because the mean of its divisors is an integer number (33171005790).

Almost surely, 2^{1310021012322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310021012322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592208277920).

1310021012322 is an abundant number, since it is smaller than the sum of its proper divisors (1874395543518).

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

1310021012322 is a wasteful number, since it uses less digits than its factorization.

1310021012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242768 (or 242765 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1310021012322 its reverse (2232101200131), we get a palindrome (3542122212453).

The spelling of 1310021012322 in words is "one trillion, three hundred ten billion, twenty-one million, twelve thousand, three hundred twenty-two".