13113212013 has 48 divisors (see below), whose sum is σ = 21374993920. Its totient is φ = 7939451520.

The previous prime is 13113211963. The next prime is 13113212039. The reversal of 13113212013 is 31021231131.

13113212013 is a `hidden beast` number, since 1 + 311 + 321 + 20 + 13 = 666.

It is not a de Polignac number, because 13113212013 - 2¹³ = 13113203821 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 (13113212053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6118020 + ... + 6120162.

Almost surely, 2^13113212013 is an apocalyptic number.

It is an amenable number.

13113212013 is a deficient number, since it is larger than the sum of its proper divisors (8261781907).

13113212013 is a wasteful number, since it uses less digits than its factorization.

13113212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4030 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13113212013 its reverse (31021231131), we get a palindrome (44134443144).

The spelling of 13113212013 in words is "thirteen billion, one hundred thirteen million, two hundred twelve thousand, thirteen".