13213253104251 has 64 divisors (see below), whose sum is σ = 18834600204288. Its totient is φ = 8210877308928.

The previous prime is 13213253104201. The next prime is 13213253104253. The reversal of 13213253104251 is 15240135231231.

It is a happy number.

It is not a de Polignac number, because 13213253104251 - 2²² = 13213248909947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13213253104253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2186535636 + ... + 2186541678.

It is an arithmetic number, because the mean of its divisors is an integer number (294290628192).

Almost surely, 2^{13213253104251} is an apocalyptic number.

13213253104251 is a deficient number, since it is larger than the sum of its proper divisors (5621347100037).

13213253104251 is a wasteful number, since it uses less digits than its factorization.

13213253104251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13213253104251 its reverse (15240135231231), we get a palindrome (28453388335482).

The spelling of 13213253104251 in words is "thirteen trillion, two hundred thirteen billion, two hundred fifty-three million, one hundred four thousand, two hundred fifty-one".