220131321143 has 8 divisors (see below), whose sum is σ = 221424151680. Its totient is φ = 218839191480.

The previous prime is 220131321139. The next prime is 220131321173. The reversal of 220131321143 is 341123131022.

220131321143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220131321143 - 2² = 220131321139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131321173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461558 + ... + 808268.

It is an arithmetic number, because the mean of its divisors is an integer number (27678018960).

Almost surely, 2^220131321143 is an apocalyptic number.

220131321143 is a deficient number, since it is larger than the sum of its proper divisors (1292830537).

220131321143 is a wasteful number, since it uses less digits than its factorization.

220131321143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350437.

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

Adding to 220131321143 its reverse (341123131022), we get a palindrome (561254452165).

The spelling of 220131321143 in words is "two hundred twenty billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred forty-three".