3031200240 has 80 divisors (see below), whose sum is σ = 9402302976. Its totient is φ = 807840000.

The previous prime is 3031200209. The next prime is 3031200241. The reversal of 3031200240 is 420021303.

3031200240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 (3031200241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609765 + ... + 614715.

Almost surely, 2^3031200240 is an apocalyptic number.

3031200240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3031200240 is an abundant number, since it is smaller than the sum of its proper divisors (6371102736).

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

3031200240 is a wasteful number, since it uses less digits than its factorization.

3031200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 7512 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3031200240 is about 55056.3369649671. The cubic root of 3031200240 is about 1447.2321738336.

Adding to 3031200240 its reverse (420021303), we get a palindrome (3451221543).

The spelling of 3031200240 in words is "three billion, thirty-one million, two hundred thousand, two hundred forty".