210210103231 has 4 divisors (see below), whose sum is σ = 210217630464. Its totient is φ = 210202576000.

The previous prime is 210210103109. The next prime is 210210103237. The reversal of 210210103231 is 132301012012.

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 210210103231 - 2²¹ = 210208006079 is a prime.

It is a super-2 number, since 2×210210103231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210210103237) 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, 3721570 + ... + 3777631.

It is an arithmetic number, because the mean of its divisors is an integer number (52554407616).

Almost surely, 2^210210103231 is an apocalyptic number.

210210103231 is a deficient number, since it is larger than the sum of its proper divisors (7527233).

210210103231 is an equidigital number, since it uses as much as digits as its factorization.

210210103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527232.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210210103231 its reverse (132301012012), we get a palindrome (342511115243).

The spelling of 210210103231 in words is "two hundred ten billion, two hundred ten million, one hundred three thousand, two hundred thirty-one".