2131134123 has 8 divisors (see below), whose sum is σ = 2845933888. Its totient is φ = 1418545224.

The previous prime is 2131134119. The next prime is 2131134157. The reversal of 2131134123 is 3214311312.

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

It is not a de Polignac number, because 2131134123 - 2² = 2131134119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131134123.

It is not an unprimeable number, because it can be changed into a prime (2131134163) 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, 550465 + ... + 554322.

It is an arithmetic number, because the mean of its divisors is an integer number (355741736).

Almost surely, 2^2131134123 is an apocalyptic number.

2131134123 is a deficient number, since it is larger than the sum of its proper divisors (714799765).

2131134123 is a wasteful number, since it uses less digits than its factorization.

2131134123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105433.

The product of its digits is 432, while the sum is 21.

The square root of 2131134123 is about 46164.2082462160. The cubic root of 2131134123 is about 1286.8766702498.

Adding to 2131134123 its reverse (3214311312), we get a palindrome (5345445435).

The spelling of 2131134123 in words is "two billion, one hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-three".