2131323134 has 8 divisors (see below), whose sum is σ = 3197236368. Its totient is φ = 1065577680.

The previous prime is 2131323127. The next prime is 2131323143. The reversal of 2131323134 is 4313231312.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927 + ... + 65354.

It is an arithmetic number, because the mean of its divisors is an integer number (399654546).

Almost surely, 2^2131323134 is an apocalyptic number.

2131323134 is a deficient number, since it is larger than the sum of its proper divisors (1065913234).

2131323134 is a wasteful number, since it uses less digits than its factorization.

2131323134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83890.

The product of its digits is 1296, while the sum is 23.

The square root of 2131323134 is about 46166.2553603820. The cubic root of 2131323134 is about 1286.9147136330.

Adding to 2131323134 its reverse (4313231312), we get a palindrome (6444554446).

The spelling of 2131323134 in words is "two billion, one hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-four".