13121112333313 has 4 divisors (see below), whose sum is σ = 13121225093808. Its totient is φ = 13120999572820.

The previous prime is 13121112333311. The next prime is 13121112333319. The reversal of 13121112333313 is 31333321112131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13121112333313 - 2¹ = 13121112333311 is a prime.

It is a super-3 number, since 3×13121112333313³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121112333311) 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, 56205523 + ... + 56438488.

It is an arithmetic number, because the mean of its divisors is an integer number (3280306273452).

Almost surely, 2^{13121112333313} is an apocalyptic number.

It is an amenable number.

13121112333313 is a deficient number, since it is larger than the sum of its proper divisors (112760495).

13121112333313 is a wasteful number, since it uses less digits than its factorization.

13121112333313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112760494.

The product of its digits is 2916, while the sum is 28.

Adding to 13121112333313 its reverse (31333321112131), we get a palindrome (44454433445444).

The spelling of 13121112333313 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twelve million, three hundred thirty-three thousand, three hundred thirteen".