2031214240 has 192 divisors, whose sum is σ = 5504163840. Its totient is φ = 701568000.

The previous prime is 2031214223. The next prime is 2031214243. The reversal of 2031214240 is 424121302.

It is not an unprimeable number, because it can be changed into a prime (2031214243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3218725 + ... + 3219355.

It is an arithmetic number, because the mean of its divisors is an integer number (28667520).

Almost surely, 2^2031214240 is an apocalyptic number.

2031214240 is a gapful number since it is divisible by the number (20) 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 2031214240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752081920).

2031214240 is an abundant number, since it is smaller than the sum of its proper divisors (3472949600).

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

2031214240 is a wasteful number, since it uses less digits than its factorization.

2031214240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2031214240 is about 45068.9942199734. The cubic root of 2031214240 is about 1266.4418228177.

Adding to 2031214240 its reverse (424121302), we get a palindrome (2455335542).

The spelling of 2031214240 in words is "two billion, thirty-one million, two hundred fourteen thousand, two hundred forty".