3231000120 has 128 divisors (see below), whose sum is σ = 9797760000. Its totient is φ = 852349440.

The previous prime is 3231000107. The next prime is 3231000133. The reversal of 3231000120 is 210001323.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3231000107) and next prime (3231000133).

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 = 3231000096 and 3231000105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7496305 + ... + 7496735.

It is an arithmetic number, because the mean of its divisors is an integer number (76545000).

Almost surely, 2^3231000120 is an apocalyptic number.

3231000120 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 3231000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4898880000).

3231000120 is an abundant number, since it is smaller than the sum of its proper divisors (6566759880).

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

3231000120 is a wasteful number, since it uses less digits than its factorization.

3231000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 969 counting only the distinct ones).

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

The square root of 3231000120 is about 56841.8870200489. The cubic root of 3231000120 is about 1478.3558744924.

Adding to 3231000120 its reverse (210001323), we get a palindrome (3441001443).

The spelling of 3231000120 in words is "three billion, two hundred thirty-one million, one hundred twenty", and thus it is an aban number.