13230310121213 has 4 divisors (see below), whose sum is σ = 13230591682140. Its totient is φ = 13230028560288.

The previous prime is 13230310121207. The next prime is 13230310121239. The reversal of 13230310121213 is 31212101303231.

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 2197429711129 + 11032880410084 = 1482373^2 + 3321578^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230310121213 - 2²² = 13230305926909 is a prime.

It is a super-2 number, since 2×13230310121213² (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 (13230310121813) 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, 140709968 + ... + 140803961.

It is an arithmetic number, because the mean of its divisors is an integer number (3307647920535).

Almost surely, 2^{13230310121213} is an apocalyptic number.

It is an amenable number.

13230310121213 is a deficient number, since it is larger than the sum of its proper divisors (281560927).

13230310121213 is an equidigital number, since it uses as much as digits as its factorization.

13230310121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281560926.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13230310121213 its reverse (31212101303231), we get a palindrome (44442411424444).

The spelling of 13230310121213 in words is "thirteen trillion, two hundred thirty billion, three hundred ten million, one hundred twenty-one thousand, two hundred thirteen".