102311103 has 4 divisors (see below), whose sum is σ = 136414808. Its totient is φ = 68207400.

The previous prime is 102311093. The next prime is 102311119. The reversal of 102311103 is 301113201.

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

It is not a de Polignac number, because 102311103 - 2⁴ = 102311087 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 (102311003) 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, 17051848 + ... + 17051853.

It is an arithmetic number, because the mean of its divisors is an integer number (34103702).

Almost surely, 2^102311103 is an apocalyptic number.

102311103 is a deficient number, since it is larger than the sum of its proper divisors (34103705).

102311103 is an equidigital number, since it uses as much as digits as its factorization.

102311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34103704.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 102311103 is about 10114.8951057339. The cubic root of 102311103 is about 467.7074153739.

Adding to 102311103 its reverse (301113201), we get a palindrome (403424304).

The spelling of 102311103 in words is "one hundred two million, three hundred eleven thousand, one hundred three".