220131043 has 4 divisors (see below), whose sum is σ = 240142968. Its totient is φ = 200119120.

The previous prime is 220130987. The next prime is 220131047. The reversal of 220131043 is 340131022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220131043 - 2⁹ = 220130531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220131047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10005946 + ... + 10005967.

It is an arithmetic number, because the mean of its divisors is an integer number (60035742).

Almost surely, 2^220131043 is an apocalyptic number.

220131043 is a deficient number, since it is larger than the sum of its proper divisors (20011925).

220131043 is a wasteful number, since it uses less digits than its factorization.

220131043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20011924.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 220131043 is about 14836.8137752012. The cubic root of 220131043 is about 603.8009107664.

Adding to 220131043 its reverse (340131022), we get a palindrome (560262065).

The spelling of 220131043 in words is "two hundred twenty million, one hundred thirty-one thousand, forty-three".