2131331042 has 16 divisors (see below), whose sum is σ = 3367485600. Its totient is φ = 1008910080.

The previous prime is 2131331011. The next prime is 2131331047. The reversal of 2131331042 is 2401331312.

It is not an unprimeable number, because it can be changed into a prime (2131331047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42242 + ... + 77762.

It is an arithmetic number, because the mean of its divisors is an integer number (210467850).

Almost surely, 2^2131331042 is an apocalyptic number.

2131331042 is a deficient number, since it is larger than the sum of its proper divisors (1236154558).

2131331042 is a wasteful number, since it uses less digits than its factorization.

2131331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37121.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2131331042 is about 46166.3410072750. The cubic root of 2131331042 is about 1286.9163052748.

Adding to 2131331042 its reverse (2401331312), we get a palindrome (4532662354).

The spelling of 2131331042 in words is "two billion, one hundred thirty-one million, three hundred thirty-one thousand, forty-two".