220301131 has 2 divisors, whose sum is σ = 220301132. Its totient is φ = 220301130.

The previous prime is 220301117. The next prime is 220301149. The reversal of 220301131 is 131103022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220301131 - 2¹³ = 220292939 is a prime.

It is a super-2 number, since 2×220301131² = 97065176639758322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220301101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110150565 + 110150566.

It is an arithmetic number, because the mean of its divisors is an integer number (110150566).

Almost surely, 2^220301131 is an apocalyptic number.

220301131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220301131 is an equidigital number, since it uses as much as digits as its factorization.

220301131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 220301131 is about 14842.5446268489. The cubic root of 220301131 is about 603.9563830834.

Adding to 220301131 its reverse (131103022), we get a palindrome (351404153).

The spelling of 220301131 in words is "two hundred twenty million, three hundred one thousand, one hundred thirty-one".