1313323311303 has 12 divisors (see below), whose sum is σ = 1897033928608. Its totient is φ = 875543627520.

The previous prime is 1313323311301. The next prime is 1313323311331. The reversal of 1313323311303 is 3031133233131.

1313323311303 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 323 + 31 + 1 + 303 = 666.

It is not a de Polignac number, because 1313323311303 - 2¹ = 1313323311301 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 (1313323311301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1695783 + ... + 2345703.

Almost surely, 2^{1313323311303} is an apocalyptic number.

1313323311303 is a deficient number, since it is larger than the sum of its proper divisors (583710617305).

1313323311303 is a wasteful number, since it uses less digits than its factorization.

1313323311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874454 (or 874451 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 1313323311303 its reverse (3031133233131), we get a palindrome (4344456544434).

The spelling of 1313323311303 in words is "one trillion, three hundred thirteen billion, three hundred twenty-three million, three hundred eleven thousand, three hundred three".