2031231140 has 24 divisors (see below), whose sum is σ = 4289423040. Its totient is φ = 807951968.

The previous prime is 2031231127. The next prime is 2031231193. The reversal of 2031231140 is 411321302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280112 + ... + 287271.

It is an arithmetic number, because the mean of its divisors is an integer number (178725960).

Almost surely, 2^2031231140 is an apocalyptic number.

2031231140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031231140 is an abundant number, since it is smaller than the sum of its proper divisors (2258191900).

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

2031231140 is a wasteful number, since it uses less digits than its factorization.

2031231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567571 (or 567569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2031231140 is about 45069.1817099002. The cubic root of 2031231140 is about 1266.4453351351.

Adding to 2031231140 its reverse (411321302), we get a palindrome (2442552442).

The spelling of 2031231140 in words is "two billion, thirty-one million, two hundred thirty-one thousand, one hundred forty".