1303311131322 has 48 divisors (see below), whose sum is σ = 2769189444192. Its totient is φ = 408849880320.

The previous prime is 1303311131273. The next prime is 1303311131323. The reversal of 1303311131322 is 2231311133031.

It is a junction number, because it is equal to n+sod(n) for n = 1303311131292 and 1303311131301.

It is not an unprimeable number, because it can be changed into a prime (1303311131323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32390088 + ... + 32430300.

It is an arithmetic number, because the mean of its divisors is an integer number (57691446754).

Almost surely, 2^{1303311131322} is an apocalyptic number.

1303311131322 is an abundant number, since it is smaller than the sum of its proper divisors (1465878312870).

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

1303311131322 is a wasteful number, since it uses less digits than its factorization.

1303311131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58943 (or 58926 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1303311131322 its reverse (2231311133031), we get a palindrome (3534622264353).

The spelling of 1303311131322 in words is "one trillion, three hundred three billion, three hundred eleven million, one hundred thirty-one thousand, three hundred twenty-two".