13111103031213 has 16 divisors (see below), whose sum is σ = 19071077795136. Its totient is φ = 7945963683840.

The previous prime is 13111103031203. The next prime is 13111103031239. The reversal of 13111103031213 is 31213030111131.

It is not a de Polignac number, because 13111103031213 - 2⁴ = 13111103031197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13111103031213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111103031203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2303206 + ... + 5614887.

It is an arithmetic number, because the mean of its divisors is an integer number (1191942362196).

Almost surely, 2^{13111103031213} is an apocalyptic number.

It is an amenable number.

13111103031213 is a deficient number, since it is larger than the sum of its proper divisors (5959974763923).

13111103031213 is a wasteful number, since it uses less digits than its factorization.

13111103031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968284.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 13111103031213 its reverse (31213030111131), we get a palindrome (44324133142344).

The spelling of 13111103031213 in words is "thirteen trillion, one hundred eleven billion, one hundred three million, thirty-one thousand, two hundred thirteen".