102103203311 has 4 divisors (see below), whose sum is σ = 108109274112. Its totient is φ = 96097132512.

The previous prime is 102103203299. The next prime is 102103203331. The reversal of 102103203311 is 113302301201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102103203311 - 2⁶ = 102103203247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6006070783 = 102103203311 / (1 + 0 + 2 + 1 + 0 + 3 + 2 + 0 + 3 + 3 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102103203311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103203331) 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, 3003035375 + ... + 3003035408.

It is an arithmetic number, because the mean of its divisors is an integer number (27027318528).

Almost surely, 2^102103203311 is an apocalyptic number.

102103203311 is a deficient number, since it is larger than the sum of its proper divisors (6006070801).

102103203311 is an equidigital number, since it uses as much as digits as its factorization.

102103203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006070800.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102103203311 its reverse (113302301201), we get a palindrome (215405504512).

The spelling of 102103203311 in words is "one hundred two billion, one hundred three million, two hundred three thousand, three hundred eleven".