13011442143320 has 32 divisors (see below), whose sum is σ = 29276239935600. Its totient is φ = 5204488837248.

The previous prime is 13011442143281. The next prime is 13011442143361. The reversal of 13011442143320 is 2334124411031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329579 + ... + 5111898.

Almost surely, 2^{13011442143320} is an apocalyptic number.

13011442143320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011442143320 is an abundant number, since it is smaller than the sum of its proper divisors (16264797792280).

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

13011442143320 is a wasteful number, since it uses less digits than its factorization.

13011442143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501267 (or 5501263 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 13011442143320 its reverse (2334124411031), we get a palindrome (15345566554351).

The spelling of 13011442143320 in words is "thirteen trillion, eleven billion, four hundred forty-two million, one hundred forty-three thousand, three hundred twenty".