220131004241 has 2 divisors, whose sum is σ = 220131004242. Its totient is φ = 220131004240.

The previous prime is 220131004201. The next prime is 220131004273. The reversal of 220131004241 is 142400131022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201363100225 + 18767904016 = 448735^2 + 136996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220131004241 is a prime.

It is not a weakly prime, because it can be changed into another prime (220131004201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110065502120 + 110065502121.

It is an arithmetic number, because the mean of its divisors is an integer number (110065502121).

Almost surely, 2^220131004241 is an apocalyptic number.

It is an amenable number.

220131004241 is a deficient number, since it is larger than the sum of its proper divisors (1).

220131004241 is an equidigital number, since it uses as much as digits as its factorization.

220131004241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 220131004241 its reverse (142400131022), we get a palindrome (362531135263).

The spelling of 220131004241 in words is "two hundred twenty billion, one hundred thirty-one million, four thousand, two hundred forty-one".