13043342031220 has 24 divisors (see below), whose sum is σ = 27405977937408. Its totient is φ = 5214487351200.

The previous prime is 13043342031211. The next prime is 13043342031227. The reversal of 13043342031220 is 2213024334031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043342031227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178053796 + ... + 178127035.

It is an arithmetic number, because the mean of its divisors is an integer number (1141915747392).

Almost surely, 2^{13043342031220} is an apocalyptic number.

13043342031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043342031220 is an abundant number, since it is smaller than the sum of its proper divisors (14362635906188).

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

13043342031220 is a wasteful number, since it uses less digits than its factorization.

13043342031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356182671 (or 356182669 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13043342031220 its reverse (2213024334031), we get a palindrome (15256366365251).

The spelling of 13043342031220 in words is "thirteen trillion, forty-three billion, three hundred forty-two million, thirty-one thousand, two hundred twenty".