211230031203 has 10 divisors (see below), whose sum is σ = 315541157844. Its totient is φ = 140820020748.

The previous prime is 211230031169. The next prime is 211230031219. The reversal of 211230031203 is 302130032112.

It is not a de Polignac number, because 211230031203 - 2²¹ = 211227934051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211230031253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1303889001 + ... + 1303889162.

Almost surely, 2^211230031203 is an apocalyptic number.

211230031203 is a deficient number, since it is larger than the sum of its proper divisors (104311126641).

211230031203 is an equidigital number, since it uses as much as digits as its factorization.

211230031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607778175 (or 2607778166 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211230031203 its reverse (302130032112), we get a palindrome (513360063315).

Subtracting 211230031203 from its reverse (302130032112), we obtain a palindrome (90900000909).

The spelling of 211230031203 in words is "two hundred eleven billion, two hundred thirty million, thirty-one thousand, two hundred three".