2131043234 has 8 divisors (see below), whose sum is σ = 3232481580. Its totient is φ = 1053549376.

The previous prime is 2131043191. The next prime is 2131043273. The reversal of 2131043234 is 4323401312.

It can be written as a sum of positive squares in 2 ways, for example, as 2129361025 + 1682209 = 46145^2 + 1297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5985899 + ... + 5986254.

Almost surely, 2^2131043234 is an apocalyptic number.

2131043234 is a deficient number, since it is larger than the sum of its proper divisors (1101438346).

2131043234 is a wasteful number, since it uses less digits than its factorization.

2131043234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11972244.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2131043234 is about 46163.2238258985. The cubic root of 2131043234 is about 1286.8583756721.

Adding to 2131043234 its reverse (4323401312), we get a palindrome (6454444546).

The spelling of 2131043234 in words is "two billion, one hundred thirty-one million, forty-three thousand, two hundred thirty-four".