3211300000 has 144 divisors (see below), whose sum is σ = 8371573560. Its totient is φ = 1208320000.

The previous prime is 3211299977. The next prime is 3211300039. The reversal of 3211300000 is 31123.

It can be written as a sum of positive squares in 12 ways, for example, as 1050537744 + 2160762256 = 32412^2 + 46484^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 3211300000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1699056 + ... + 1700944.

Almost surely, 2^3211300000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3211300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4185786780).

3211300000 is an abundant number, since it is smaller than the sum of its proper divisors (5160273560).

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

3211300000 is an equidigital number, since it uses as much as digits as its factorization.

3211300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 3211300000 is about 56668.3333088243. Note that the first 4 decimals coincide. The cubic root of 3211300000 is about 1475.3451265555.

Adding to 3211300000 its reverse (31123), we get a palindrome (3211331123).

The spelling of 3211300000 in words is "three billion, two hundred eleven million, three hundred thousand".