210103321231 has 4 divisors (see below), whose sum is σ = 210105865552. Its totient is φ = 210100776912.

The previous prime is 210103321229. The next prime is 210103321301. The reversal of 210103321231 is 132123301012.

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 210103321231 - 2¹ = 210103321229 is a prime.

It is a super-2 number, since 2×210103321231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210103321199 and 210103321208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103321031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143990 + ... + 1314883.

It is an arithmetic number, because the mean of its divisors is an integer number (52526466388).

Almost surely, 2^210103321231 is an apocalyptic number.

210103321231 is a deficient number, since it is larger than the sum of its proper divisors (2544321).

210103321231 is an equidigital number, since it uses as much as digits as its factorization.

210103321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544320.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210103321231 its reverse (132123301012), we get a palindrome (342226622243).

The spelling of 210103321231 in words is "two hundred ten billion, one hundred three million, three hundred twenty-one thousand, two hundred thirty-one".