3211023130020 has 36 divisors (see below), whose sum is σ = 9740103494940. Its totient is φ = 856272834624.

The previous prime is 3211023130001. The next prime is 3211023130031. The reversal of 3211023130020 is 200313201123.

3211023130020 is a `hidden beast` number, since 3 + 2 + 110 + 231 + 300 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2540861504064 + 670161625956 = 1594008^2 + 818634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 3211023129975 and 3211023130002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8919508515 + ... + 8919508874.

It is an arithmetic number, because the mean of its divisors is an integer number (270558430415).

Almost surely, 2^{3211023130020} is an apocalyptic number.

3211023130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3211023130020 is an abundant number, since it is smaller than the sum of its proper divisors (6529080364920).

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

3211023130020 is a wasteful number, since it uses less digits than its factorization.

3211023130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17839017404 (or 17839017399 counting only the distinct ones).

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

Adding to 3211023130020 its reverse (200313201123), we get a palindrome (3411336331143).

The spelling of 3211023130020 in words is "three trillion, two hundred eleven billion, twenty-three million, one hundred thirty thousand, twenty".