210002312103 has 4 divisors (see below), whose sum is σ = 280003082808. Its totient is φ = 140001541400.

The previous prime is 210002312099. The next prime is 210002312119. The reversal of 210002312103 is 301213200012.

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 210002312103 - 2² = 210002312099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002312603) 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, 35000385348 + ... + 35000385353.

It is an arithmetic number, because the mean of its divisors is an integer number (70000770702).

Almost surely, 2^210002312103 is an apocalyptic number.

210002312103 is a deficient number, since it is larger than the sum of its proper divisors (70000770705).

210002312103 is an equidigital number, since it uses as much as digits as its factorization.

210002312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70000770704.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 210002312103 its reverse (301213200012), we get a palindrome (511215512115).

The spelling of 210002312103 in words is "two hundred ten billion, two million, three hundred twelve thousand, one hundred three".