13233154221013 has 4 divisors (see below), whose sum is σ = 13251818755180. Its totient is φ = 13214489686848.

The previous prime is 13233154220999. The next prime is 13233154221029. The reversal of 13233154221013 is 31012245133231.

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 1794533518404 + 11438620702609 = 1339602^2 + 3382103^2 .

It is a cyclic number.

It is not a de Polignac number, because 13233154221013 - 2¹³ = 13233154212821 is a prime.

It is a super-2 number, since 2×13233154221013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233154221043) 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, 9332266020 + ... + 9332267437.

It is an arithmetic number, because the mean of its divisors is an integer number (3312954688795).

Almost surely, 2^{13233154221013} is an apocalyptic number.

It is an amenable number.

13233154221013 is a deficient number, since it is larger than the sum of its proper divisors (18664534167).

13233154221013 is an equidigital number, since it uses as much as digits as its factorization.

13233154221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18664534166.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13233154221013 its reverse (31012245133231), we get a palindrome (44245399354244).

The spelling of 13233154221013 in words is "thirteen trillion, two hundred thirty-three billion, one hundred fifty-four million, two hundred twenty-one thousand, thirteen".