102030203113 has 4 divisors (see below), whose sum is σ = 102030876288. Its totient is φ = 102029529940.

The previous prime is 102030203087. The next prime is 102030203137. The reversal of 102030203113 is 311302030201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102030203113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102030213113) 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, 9120 + ... + 451822.

It is an arithmetic number, because the mean of its divisors is an integer number (25507719072).

Almost surely, 2^102030203113 is an apocalyptic number.

It is an amenable number.

102030203113 is a deficient number, since it is larger than the sum of its proper divisors (673175).

102030203113 is an equidigital number, since it uses as much as digits as its factorization.

102030203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673174.

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

Adding to 102030203113 its reverse (311302030201), we get a palindrome (413332233314).

The spelling of 102030203113 in words is "one hundred two billion, thirty million, two hundred three thousand, one hundred thirteen".