13131121222230 has 64 divisors (see below), whose sum is σ = 35874430806528. Its totient is φ = 3044897672960.

The previous prime is 13131121222201. The next prime is 13131121222249. The reversal of 13131121222230 is 3222212113131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13131121222230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865020159 + ... + 865035338.

It is an arithmetic number, because the mean of its divisors is an integer number (560537981352).

Almost surely, 2^{13131121222230} is an apocalyptic number.

13131121222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131121222230 is an abundant number, since it is smaller than the sum of its proper divisors (22743309584298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131121222230 is a wasteful number, since it uses less digits than its factorization.

13131121222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730055541.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13131121222230 its reverse (3222212113131), we get a palindrome (16353333335361).

The spelling of 13131121222230 in words is "thirteen trillion, one hundred thirty-one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty".