1313553005311 has 4 divisors (see below), whose sum is σ = 1313560507312. Its totient is φ = 1313545503312.

The previous prime is 1313553005299. The next prime is 1313553005363. The reversal of 1313553005311 is 1135003553131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313553005311 - 2⁷ = 1313553005183 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 (1313553005371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481926 + ... + 3840691.

It is an arithmetic number, because the mean of its divisors is an integer number (328390126828).

Almost surely, 2^{1313553005311} is an apocalyptic number.

1313553005311 is a deficient number, since it is larger than the sum of its proper divisors (7502001).

1313553005311 is an equidigital number, since it uses as much as digits as its factorization.

1313553005311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502000.

The product of its (nonzero) digits is 10125, while the sum is 31.

Adding to 1313553005311 its reverse (1135003553131), we get a palindrome (2448556558442).

The spelling of 1313553005311 in words is "one trillion, three hundred thirteen billion, five hundred fifty-three million, five thousand, three hundred eleven".