2031234240 has 336 divisors, whose sum is σ = 7765999200. Its totient is φ = 447971328.

The previous prime is 2031234221. The next prime is 2031234277. The reversal of 2031234240 is 424321302.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1363416 + ... + 1364904.

Almost surely, 2^2031234240 is an apocalyptic number.

2031234240 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 2031234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3882999600).

2031234240 is an abundant number, since it is smaller than the sum of its proper divisors (5734764960).

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

2031234240 is a wasteful number, since it uses less digits than its factorization.

2031234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2031234240 is about 45069.2161014589. The cubic root of 2031234240 is about 1266.4459794042.

Adding to 2031234240 its reverse (424321302), we get a palindrome (2455555542).

The spelling of 2031234240 in words is "two billion, thirty-one million, two hundred thirty-four thousand, two hundred forty".