13133331301213 has 4 divisors (see below), whose sum is σ = 13133371940860. Its totient is φ = 13133290661568.

The previous prime is 13133331301157. The next prime is 13133331301217. The reversal of 13133331301213 is 31210313333131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3944660737689 + 9188670563524 = 1986117^2 + 3031282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13133331301213 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 (13133331301217) 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, 19831158 + ... + 20482711.

It is an arithmetic number, because the mean of its divisors is an integer number (3283342985215).

Almost surely, 2^{13133331301213} is an apocalyptic number.

It is an amenable number.

13133331301213 is a deficient number, since it is larger than the sum of its proper divisors (40639647).

13133331301213 is an equidigital number, since it uses as much as digits as its factorization.

13133331301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40639646.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 13133331301213 its reverse (31210313333131), we get a palindrome (44343644634344).

The spelling of 13133331301213 in words is "thirteen trillion, one hundred thirty-three billion, three hundred thirty-one million, three hundred one thousand, two hundred thirteen".