13213215154351 has 4 divisors (see below), whose sum is σ = 13520499227752. Its totient is φ = 12905931080952.

The previous prime is 13213215154339. The next prime is 13213215154387. The reversal of 13213215154351 is 15345151231231.

13213215154351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13213215154351 - 2²¹ = 13213213057199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13213215154351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213215154151) 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, 153642036636 + ... + 153642036721.

It is an arithmetic number, because the mean of its divisors is an integer number (3380124806938).

Almost surely, 2^{13213215154351} is an apocalyptic number.

13213215154351 is a deficient number, since it is larger than the sum of its proper divisors (307284073401).

13213215154351 is an equidigital number, since it uses as much as digits as its factorization.

13213215154351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307284073400.

The product of its digits is 54000, while the sum is 37.

Adding to 13213215154351 its reverse (15345151231231), we get a palindrome (28558366385582).

The spelling of 13213215154351 in words is "thirteen trillion, two hundred thirteen billion, two hundred fifteen million, one hundred fifty-four thousand, three hundred fifty-one".