220310513 has 2 divisors, whose sum is σ = 220310514. Its totient is φ = 220310512.

The previous prime is 220310471. The next prime is 220310527. The reversal of 220310513 is 315013022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183683809 + 36626704 = 13553^2 + 6052^2 .

It is a cyclic number.

It is not a de Polignac number, because 220310513 - 2⁸ = 220310257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220310491 and 220310500.

It is not a weakly prime, because it can be changed into another prime (220310533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155256 + 110155257.

It is an arithmetic number, because the mean of its divisors is an integer number (110155257).

Almost surely, 2^220310513 is an apocalyptic number.

It is an amenable number.

220310513 is a deficient number, since it is larger than the sum of its proper divisors (1).

220310513 is an equidigital number, since it uses as much as digits as its factorization.

220310513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 220310513 is about 14842.8606744118. The cubic root of 220310513 is about 603.9649565579.

Adding to 220310513 its reverse (315013022), we get a palindrome (535323535).

The spelling of 220310513 in words is "two hundred twenty million, three hundred ten thousand, five hundred thirteen".