220044430131 has 16 divisors (see below), whose sum is σ = 294583855104. Its totient is φ = 146100933824.

The previous prime is 220044430129. The next prime is 220044430139. The reversal of 220044430131 is 131034440022.

It is a cyclic number.

It is not a de Polignac number, because 220044430131 - 2¹ = 220044430129 is a prime.

It is a super-2 number, since 2×220044430131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220044430139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3222415 + ... + 3289991.

It is an arithmetic number, because the mean of its divisors is an integer number (18411490944).

Almost surely, 2^220044430131 is an apocalyptic number.

220044430131 is a deficient number, since it is larger than the sum of its proper divisors (74539424973).

220044430131 is a wasteful number, since it uses less digits than its factorization.

220044430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71970.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 220044430131 its reverse (131034440022), we get a palindrome (351078870153).

The spelling of 220044430131 in words is "two hundred twenty billion, forty-four million, four hundred thirty thousand, one hundred thirty-one".