3301131240 has 256 divisors, whose sum is σ = 12064377600. Its totient is φ = 796262400.

The previous prime is 3301131233. The next prime is 3301131241. The reversal of 3301131240 is 421311033.

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

It is not an unprimeable number, because it can be changed into a prime (3301131241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2862504 + ... + 2863656.

It is an arithmetic number, because the mean of its divisors is an integer number (47126475).

Almost surely, 2^3301131240 is an apocalyptic number.

3301131240 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 3301131240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6032188800).

3301131240 is an abundant number, since it is smaller than the sum of its proper divisors (8763246360).

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

3301131240 is a wasteful number, since it uses less digits than its factorization.

3301131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3301131240 is about 57455.4718020834. The cubic root of 3301131240 is about 1488.9756543662.

Adding to 3301131240 its reverse (421311033), we get a palindrome (3722442273).

The spelling of 3301131240 in words is "three billion, three hundred one million, one hundred thirty-one thousand, two hundred forty".