3231211312 has 60 divisors (see below), whose sum is σ = 7460288136. Its totient is φ = 1351015680.

The previous prime is 3231211259. The next prime is 3231211363. The reversal of 3231211312 is 2131121323.

It is a super-2 number, since 2×3231211312² = 20881453085593522688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3231211312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18118 + ... + 82405.

Almost surely, 2^3231211312 is an apocalyptic number.

It is an amenable number.

3231211312 is an abundant number, since it is smaller than the sum of its proper divisors (4229076824).

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

3231211312 is a wasteful number, since it uses less digits than its factorization.

3231211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100586 (or 100573 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 3231211312 is about 56843.7447042328. The cubic root of 3231211312 is about 1478.3880843469.

Adding to 3231211312 its reverse (2131121323), we get a palindrome (5362332635).

The spelling of 3231211312 in words is "three billion, two hundred thirty-one million, two hundred eleven thousand, three hundred twelve".