3213001020 has 48 divisors (see below), whose sum is σ = 9525606048. Its totient is φ = 806400000.

The previous prime is 3213001019. The next prime is 3213001081. The reversal of 3213001020 is 201003123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3213000987 and 3213001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573981 + ... + 1576020.

It is an arithmetic number, because the mean of its divisors is an integer number (198450126).

Almost surely, 2^3213001020 is an apocalyptic number.

3213001020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3213001020 is an abundant number, since it is smaller than the sum of its proper divisors (6312605028).

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

3213001020 is a wasteful number, since it uses less digits than its factorization.

3213001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150030 (or 3150028 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3213001020 is about 56683.3398804269. The cubic root of 3213001020 is about 1475.6055764863.

Adding to 3213001020 its reverse (201003123), we get a palindrome (3414004143).

The spelling of 3213001020 in words is "three billion, two hundred thirteen million, one thousand, twenty".