102113103 has 4 divisors (see below), whose sum is σ = 136150808. Its totient is φ = 68075400.

The previous prime is 102113047. The next prime is 102113111. The reversal of 102113103 is 301311201.

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

It is not a de Polignac number, because 102113103 - 2¹⁴ = 102096719 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 (102113603) 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, 17018848 + ... + 17018853.

It is an arithmetic number, because the mean of its divisors is an integer number (34037702).

Almost surely, 2^102113103 is an apocalyptic number.

102113103 is a deficient number, since it is larger than the sum of its proper divisors (34037705).

102113103 is an equidigital number, since it uses as much as digits as its factorization.

102113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34037704.

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

The square root of 102113103 is about 10105.1028198628. The cubic root of 102113103 is about 467.4055065579.

Adding to 102113103 its reverse (301311201), we get a palindrome (403424304).

The spelling of 102113103 in words is "one hundred two million, one hundred thirteen thousand, one hundred three".