13355111313 has 18 divisors (see below), whose sum is σ = 19469474934. Its totient is φ = 8821654272.

The previous prime is 13355111303. The next prime is 13355111327. The reversal of 13355111313 is 31311155331.

It is a happy number.

13355111313 is a `hidden beast` number, since 1 + 335 + 5 + 1 + 11 + 313 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6293566224 + 7061545089 = 79332^2 + 84033^2 .

It is not a de Polignac number, because 13355111313 - 2⁶ = 13355111249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13355111303) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44481 + ... + 169377.

Almost surely, 2^13355111313 is an apocalyptic number.

It is an amenable number.

13355111313 is a deficient number, since it is larger than the sum of its proper divisors (6114363621).

13355111313 is a wasteful number, since it uses less digits than its factorization.

13355111313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125121 (or 125009 counting only the distinct ones).

The product of its digits is 2025, while the sum is 27.

Adding to 13355111313 its reverse (31311155331), we get a palindrome (44666266644).

The spelling of 13355111313 in words is "thirteen billion, three hundred fifty-five million, one hundred eleven thousand, three hundred thirteen".