3231004140 has 720 divisors, whose sum is σ = 13236943104. Its totient is φ = 653184000.

The previous prime is 3231004123. The next prime is 3231004151. The reversal of 3231004140 is 414001323.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 31990090 + ... + 31990190.

Almost surely, 2^3231004140 is an apocalyptic number.

3231004140 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 3231004140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6618471552).

3231004140 is an abundant number, since it is smaller than the sum of its proper divisors (10005938964).

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

3231004140 is a wasteful number, since it uses less digits than its factorization.

3231004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3231004140 is about 56841.9223812847. The cubic root of 3231004140 is about 1478.3564876140.

Adding to 3231004140 its reverse (414001323), we get a palindrome (3645005463).

The spelling of 3231004140 in words is "three billion, two hundred thirty-one million, four thousand, one hundred forty".