210031212203 has 4 divisors (see below), whose sum is σ = 210076846008. Its totient is φ = 209985578400.

The previous prime is 210031212191. The next prime is 210031212211. The reversal of 210031212203 is 302212130012.

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 210031212203 - 2¹⁴ = 210031195819 is a prime.

It is a super-2 number, since 2×210031212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210031412203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22809998 + ... + 22819203.

It is an arithmetic number, because the mean of its divisors is an integer number (52519211502).

Almost surely, 2^210031212203 is an apocalyptic number.

210031212203 is a deficient number, since it is larger than the sum of its proper divisors (45633805).

210031212203 is an equidigital number, since it uses as much as digits as its factorization.

210031212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45633804.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210031212203 its reverse (302212130012), we get a palindrome (512243342215).

The spelling of 210031212203 in words is "two hundred ten billion, thirty-one million, two hundred twelve thousand, two hundred three".