213001131443 has 8 divisors (see below), whose sum is σ = 213332774160. Its totient is φ = 212669578080.

The previous prime is 213001131439. The next prime is 213001131481. The reversal of 213001131443 is 344131100312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213001131443 - 2² = 213001131439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213001131433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5981096 + ... + 6016602.

It is an arithmetic number, because the mean of its divisors is an integer number (26666596770).

Almost surely, 2^213001131443 is an apocalyptic number.

213001131443 is a deficient number, since it is larger than the sum of its proper divisors (331642717).

213001131443 is an equidigital number, since it uses as much as digits as its factorization.

213001131443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44677.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213001131443 its reverse (344131100312), we get a palindrome (557132231755).

The spelling of 213001131443 in words is "two hundred thirteen billion, one million, one hundred thirty-one thousand, four hundred forty-three".