210031220230 has 64 divisors (see below), whose sum is σ = 421290979200. Its totient is φ = 74855531520.

The previous prime is 210031220227. The next prime is 210031220257. The reversal of 210031220230 is 32022130012.

It is a super-2 number, since 2×210031220230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23969050 + ... + 23977810.

It is an arithmetic number, because the mean of its divisors is an integer number (6582671550).

Almost surely, 2^210031220230 is an apocalyptic number.

210031220230 is an abundant number, since it is smaller than the sum of its proper divisors (211259758970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210031220230 is a wasteful number, since it uses less digits than its factorization.

210031220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210031220230 its reverse (32022130012), we get a palindrome (242053350242).

The spelling of 210031220230 in words is "two hundred ten billion, thirty-one million, two hundred twenty thousand, two hundred thirty".