20310102613 has 2 divisors, whose sum is σ = 20310102614. Its totient is φ = 20310102612.

The previous prime is 20310102607. The next prime is 20310102619. The reversal of 20310102613 is 31620101302.

It is a balanced prime because it is at equal distance from previous prime (20310102607) and next prime (20310102619).

It can be written as a sum of positive squares in only one way, i.e., 20305680004 + 4422609 = 142498^2 + 2103^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310102613 - 2⁹ = 20310102101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310102619) 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, 10155051306 + 10155051307.

It is an arithmetic number, because the mean of its divisors is an integer number (10155051307).

Almost surely, 2^20310102613 is an apocalyptic number.

It is an amenable number.

20310102613 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310102613 is an equidigital number, since it uses as much as digits as its factorization.

20310102613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20310102613 its reverse (31620101302), we get a palindrome (51930203915).

The spelling of 20310102613 in words is "twenty billion, three hundred ten million, one hundred two thousand, six hundred thirteen".