210030312231 has 16 divisors (see below), whose sum is σ = 311990231520. Its totient is φ = 139644812160.

The previous prime is 210030312227. The next prime is 210030312277. The reversal of 210030312231 is 132213030012.

210030312231 is a `hidden beast` number, since 210 + 0 + 303 + 122 + 31 = 666.

210030312231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210030312231 - 2² = 210030312227 is a prime.

It is a super-2 number, since 2×210030312231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210030312931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10417410 + ... + 10437551.

It is an arithmetic number, because the mean of its divisors is an integer number (19499389470).

Almost surely, 2^210030312231 is an apocalyptic number.

210030312231 is a deficient number, since it is larger than the sum of its proper divisors (101959919289).

210030312231 is a wasteful number, since it uses less digits than its factorization.

210030312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855343 (or 20855337 counting only the distinct ones).

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

Adding to 210030312231 its reverse (132213030012), we get a palindrome (342243342243).

The spelling of 210030312231 in words is "two hundred ten billion, thirty million, three hundred twelve thousand, two hundred thirty-one".