3231321020 has 12 divisors (see below), whose sum is σ = 6785774184. Its totient is φ = 1292528400.

The previous prime is 3231320921. The next prime is 3231321031. The reversal of 3231321020 is 201231323.

It is a self number, because there is not a number n which added to its sum of digits gives 3231321020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80783006 + ... + 80783045.

It is an arithmetic number, because the mean of its divisors is an integer number (565481182).

Almost surely, 2^3231321020 is an apocalyptic number.

It is an amenable number.

3231321020 is an abundant number, since it is smaller than the sum of its proper divisors (3554453164).

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

3231321020 is a wasteful number, since it uses less digits than its factorization.

3231321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161566060 (or 161566058 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3231321020 is about 56844.7096922836. The cubic root of 3231321020 is about 1478.4048158601.

Adding to 3231321020 its reverse (201231323), we get a palindrome (3432552343).

The spelling of 3231321020 in words is "three billion, two hundred thirty-one million, three hundred twenty-one thousand, twenty".