231234213210 has 256 divisors, whose sum is σ = 765266116608. Its totient is φ = 43153689600.

The previous prime is 231234213167. The next prime is 231234213233. The reversal of 231234213210 is 12312432132.

231234213210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231234213210² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1007055 + ... + 1215165.

It is an arithmetic number, because the mean of its divisors is an integer number (2989320768).

Almost surely, 2^231234213210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231234213210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382633058304).

231234213210 is an abundant number, since it is smaller than the sum of its proper divisors (534031903398).

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

231234213210 is a wasteful number, since it uses less digits than its factorization.

231234213210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208189.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231234213210 its reverse (12312432132), we get a palindrome (243546645342).

It can be divided in two parts, 231234 and 213210, that added together give a palindrome (444444).

The spelling of 231234213210 in words is "two hundred thirty-one billion, two hundred thirty-four million, two hundred thirteen thousand, two hundred ten".