1303131221332 has 12 divisors (see below), whose sum is σ = 2289150664416. Its totient is φ = 649088174360.

The previous prime is 1303131221317. The next prime is 1303131221389. The reversal of 1303131221332 is 2331221313031.

It is a junction number, because it is equal to n+sod(n) for n = 1303131221297 and 1303131221306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619357894 + ... + 619359997.

It is an arithmetic number, because the mean of its divisors is an integer number (190762555368).

Almost surely, 2^{1303131221332} is an apocalyptic number.

It is an amenable number.

1303131221332 is a deficient number, since it is larger than the sum of its proper divisors (986019443084).

1303131221332 is a wasteful number, since it uses less digits than its factorization.

1303131221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238718158 (or 1238718156 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1303131221332 its reverse (2331221313031), we get a palindrome (3634352534363).

The spelling of 1303131221332 in words is "one trillion, three hundred three billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty-two".