1303213323311 has 24 divisors (see below), whose sum is σ = 1376307570144. Its totient is φ = 1233713174400.

The previous prime is 1303213323289. The next prime is 1303213323317. The reversal of 1303213323311 is 1133233123031.

It is a de Polignac number, because none of the positive numbers 2^k-1303213323311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303213323317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8674445 + ... + 8823401.

It is an arithmetic number, because the mean of its divisors is an integer number (57346148756).

Almost surely, 2^{1303213323311} is an apocalyptic number.

1303213323311 is a deficient number, since it is larger than the sum of its proper divisors (73094246833).

1303213323311 is a wasteful number, since it uses less digits than its factorization.

1303213323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149219 (or 149190 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1303213323311 its reverse (1133233123031), we get a palindrome (2436446446342).

The spelling of 1303213323311 in words is "one trillion, three hundred three billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred eleven".