2101302613 has 2 divisors, whose sum is σ = 2101302614. Its totient is φ = 2101302612.

The previous prime is 2101302589. The next prime is 2101302647. The reversal of 2101302613 is 3162031012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1425666564 + 675636049 = 37758^2 + 25993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101302613 - 2²¹ = 2099205461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101302653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050651306 + 1050651307.

It is an arithmetic number, because the mean of its divisors is an integer number (1050651307).

Almost surely, 2^2101302613 is an apocalyptic number.

It is an amenable number.

2101302613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101302613 is an equidigital number, since it uses as much as digits as its factorization.

2101302613 is an evil number, because the sum of its binary digits is even.

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

The square root of 2101302613 is about 45839.9674192729. The cubic root of 2101302613 is about 1280.8438878897.

Adding to 2101302613 its reverse (3162031012), we get a palindrome (5263333625).

The spelling of 2101302613 in words is "two billion, one hundred one million, three hundred two thousand, six hundred thirteen".