3231211230 has 128 divisors (see below), whose sum is σ = 9506125440. Its totient is φ = 775941120.

The previous prime is 3231211229. The next prime is 3231211237. The reversal of 3231211230 is 321121323.

3231211230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3231211230² = 20881452025756225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231211237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132684 + ... + 155136.

It is an arithmetic number, because the mean of its divisors is an integer number (74266605).

Almost surely, 2^3231211230 is an apocalyptic number.

3231211230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231211230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4753062720).

3231211230 is an abundant number, since it is smaller than the sum of its proper divisors (6274914210).

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

3231211230 is a wasteful number, since it uses less digits than its factorization.

3231211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22523 (or 22517 counting only the distinct ones).

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

The square root of 3231211230 is about 56843.7439829574. The cubic root of 3231211230 is about 1478.3880718410.

Adding to 3231211230 its reverse (321121323), we get a palindrome (3552332553).

The spelling of 3231211230 in words is "three billion, two hundred thirty-one million, two hundred eleven thousand, two hundred thirty".