3221002131000 has 128 divisors (see below), whose sum is σ = 10396062331200. Its totient is φ = 829315468800.

The previous prime is 3221002130959. The next prime is 3221002131007. The reversal of 3221002131000 is 1312001223.

3221002131000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3221002131000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221002131007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18424507 + ... + 18598506.

Almost surely, 2^{3221002131000} is an apocalyptic number.

3221002131000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3221002131000 is an abundant number, since it is smaller than the sum of its proper divisors (7175060200200).

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

3221002131000 is a wasteful number, since it uses less digits than its factorization.

3221002131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37023066 (or 37023052 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 3221002131000 its reverse (1312001223), we get a palindrome (3222314132223).

The spelling of 3221002131000 in words is "three trillion, two hundred twenty-one billion, two million, one hundred thirty-one thousand".