102030105613 has 4 divisors (see below), whose sum is σ = 102032300188. Its totient is φ = 102027911040.

The previous prime is 102030105571. The next prime is 102030105679. The reversal of 102030105613 is 316501030201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316501030201 = 383 ⋅826373447.

It can be written as a sum of positive squares in 2 ways, for example, as 53454827209 + 48575278404 = 231203^2 + 220398^2 .

It is a cyclic number.

It is not a de Polignac number, because 102030105613 - 2⁹ = 102030105101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030105913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026006 + ... + 1121047.

It is an arithmetic number, because the mean of its divisors is an integer number (25508075047).

Almost surely, 2^102030105613 is an apocalyptic number.

It is an amenable number.

102030105613 is a deficient number, since it is larger than the sum of its proper divisors (2194575).

102030105613 is an equidigital number, since it uses as much as digits as its factorization.

102030105613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194574.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 102030105613 its reverse (316501030201), we get a palindrome (418531135814).

The spelling of 102030105613 in words is "one hundred two billion, thirty million, one hundred five thousand, six hundred thirteen".