20110230313 has 2 divisors, whose sum is σ = 20110230314. Its totient is φ = 20110230312.

The previous prime is 20110230263. The next prime is 20110230331. The reversal of 20110230313 is 31303201102.

Together with next prime (20110230331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19431523609 + 678706704 = 139397^2 + 26052^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110230313 - 2⁹ = 20110229801 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110240313) 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, 10055115156 + 10055115157.

It is an arithmetic number, because the mean of its divisors is an integer number (10055115157).

Almost surely, 2^20110230313 is an apocalyptic number.

It is an amenable number.

20110230313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110230313 is an equidigital number, since it uses as much as digits as its factorization.

20110230313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20110230313 its reverse (31303201102), we get a palindrome (51413431415).

The spelling of 20110230313 in words is "twenty billion, one hundred ten million, two hundred thirty thousand, three hundred thirteen".