102203503613 has 2 divisors, whose sum is σ = 102203503614. Its totient is φ = 102203503612.

The previous prime is 102203503499. The next prime is 102203503679. The reversal of 102203503613 is 316305302201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82413203929 + 19790299684 = 287077^2 + 140678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102203503613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102203503313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101751806 + 51101751807.

It is an arithmetic number, because the mean of its divisors is an integer number (51101751807).

Almost surely, 2^102203503613 is an apocalyptic number.

It is an amenable number.

102203503613 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203503613 is an equidigital number, since it uses as much as digits as its factorization.

102203503613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 102203503613 its reverse (316305302201), we get a palindrome (418508805814).

The spelling of 102203503613 in words is "one hundred two billion, two hundred three million, five hundred three thousand, six hundred thirteen".