13313313121 has 16 divisors (see below), whose sum is σ = 13493088000. Its totient is φ = 13135223808.

The previous prime is 13313313113. The next prime is 13313313131. The reversal of 13313313121 is 12131331331.

It is a cyclic number.

It is not a de Polignac number, because 13313313121 - 2³ = 13313313113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13313313092 and 13313313101.

It is not an unprimeable number, because it can be changed into a prime (13313313131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16097910 + ... + 16098736.

It is an arithmetic number, because the mean of its divisors is an integer number (843318000).

Almost surely, 2^13313313121 is an apocalyptic number.

It is an amenable number.

13313313121 is a deficient number, since it is larger than the sum of its proper divisors (179774879).

13313313121 is a wasteful number, since it uses less digits than its factorization.

13313313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its digits is 486, while the sum is 22.

Adding to 13313313121 its reverse (12131331331), we get a palindrome (25444644452).

The spelling of 13313313121 in words is "thirteen billion, three hundred thirteen million, three hundred thirteen thousand, one hundred twenty-one".