230210531211 has 4 divisors (see below), whose sum is σ = 306947374952. Its totient is φ = 153473687472.

The previous prime is 230210531207. The next prime is 230210531227. The reversal of 230210531211 is 112135012032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 230210531211 - 2² = 230210531207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230210531011) 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, 38368421866 + ... + 38368421871.

It is an arithmetic number, because the mean of its divisors is an integer number (76736843738).

Almost surely, 2^230210531211 is an apocalyptic number.

230210531211 is a deficient number, since it is larger than the sum of its proper divisors (76736843741).

230210531211 is an equidigital number, since it uses as much as digits as its factorization.

230210531211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76736843740.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 230210531211 its reverse (112135012032), we get a palindrome (342345543243).

The spelling of 230210531211 in words is "two hundred thirty billion, two hundred ten million, five hundred thirty-one thousand, two hundred eleven".