2031331040 has 48 divisors (see below), whose sum is σ = 5051607120. Its totient is φ = 769766400.

The previous prime is 2031331039. The next prime is 2031331063. The reversal of 2031331040 is 401331302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331061 + ... + 337140.

It is an arithmetic number, because the mean of its divisors is an integer number (105241815).

Almost surely, 2^2031331040 is an apocalyptic number.

2031331040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031331040 is an abundant number, since it is smaller than the sum of its proper divisors (3020276080).

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

2031331040 is a wasteful number, since it uses less digits than its factorization.

2031331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668235 (or 668227 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031331040 is about 45070.2899924107. The cubic root of 2031331040 is about 1266.4660968975.

Adding to 2031331040 its reverse (401331302), we get a palindrome (2432662342).

The spelling of 2031331040 in words is "two billion, thirty-one million, three hundred thirty-one thousand, forty".