3213331020 has 96 divisors (see below), whose sum is σ = 10064376000. Its totient is φ = 851116032.

The previous prime is 3213330997. The next prime is 3213331039. The reversal of 3213331020 is 201333123.

3213331020 is a `hidden beast` number, since 321 + 33 + 310 + 2 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 3213330984 and 3213331002.

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, 60492 + ... + 100428.

It is an arithmetic number, because the mean of its divisors is an integer number (104837250).

Almost surely, 2^3213331020 is an apocalyptic number.

3213331020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5032188000).

3213331020 is an abundant number, since it is smaller than the sum of its proper divisors (6851044980).

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

3213331020 is a wasteful number, since it uses less digits than its factorization.

3213331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40104 (or 40096 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3213331020 is about 56686.2507139077. The cubic root of 3213331020 is about 1475.6560934503.

Adding to 3213331020 its reverse (201333123), we get a palindrome (3414664143).

The spelling of 3213331020 in words is "three billion, two hundred thirteen million, three hundred thirty-one thousand, twenty".