13113211213 has 8 divisors (see below), whose sum is σ = 13588284600. Its totient is φ = 12639664128.

The previous prime is 13113211207. The next prime is 13113211253. The reversal of 13113211213 is 31211231131.

It can be written as a sum of positive squares in 4 ways, for example, as 7175275849 + 5937935364 = 84707^2 + 77058^2 .

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 13113211213 - 2¹³ = 13113203021 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 (13113211253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364068 + ... + 398461.

It is an arithmetic number, because the mean of its divisors is an integer number (1698535575).

Almost surely, 2^13113211213 is an apocalyptic number.

It is an amenable number.

13113211213 is a deficient number, since it is larger than the sum of its proper divisors (475073387).

13113211213 is an equidigital number, since it uses as much as digits as its factorization.

13113211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763151.

The product of its digits is 108, while the sum is 19.

Adding to 13113211213 its reverse (31211231131), we get a palindrome (44324442344).

The spelling of 13113211213 in words is "thirteen billion, one hundred thirteen million, two hundred eleven thousand, two hundred thirteen".