13553112313 has 8 divisors (see below), whose sum is σ = 14596565256. Its totient is φ = 12509788800.

The previous prime is 13553112217. The next prime is 13553112343. The reversal of 13553112313 is 31321135531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 475588864 + 13077523449 = 21808^2 + 114357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13553112313 - 2⁹ = 13553111801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13553112343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377253 + ... + 411613.

It is an arithmetic number, because the mean of its divisors is an integer number (1824570657).

Almost surely, 2^13553112313 is an apocalyptic number.

13553112313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13553112313 is a deficient number, since it is larger than the sum of its proper divisors (1043452943).

13553112313 is a wasteful number, since it uses less digits than its factorization.

13553112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64715.

The product of its digits is 4050, while the sum is 28.

Adding to 13553112313 its reverse (31321135531), we get a palindrome (44874247844).

The spelling of 13553112313 in words is "thirteen billion, five hundred fifty-three million, one hundred twelve thousand, three hundred thirteen".