2312134145 has 8 divisors (see below), whose sum is σ = 2779181160. Its totient is φ = 1846627200.

The previous prime is 2312134141. The next prime is 2312134157. The reversal of 2312134145 is 5414312132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 642267649 + 1669866496 = 25343^2 + 40864^2 .

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

It is not a de Polignac number, because 2312134145 - 2² = 2312134141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2312134141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381710 + ... + 387719.

It is an arithmetic number, because the mean of its divisors is an integer number (347397645).

Almost surely, 2^2312134145 is an apocalyptic number.

It is an amenable number.

2312134145 is a deficient number, since it is larger than the sum of its proper divisors (467047015).

2312134145 is an equidigital number, since it uses as much as digits as its factorization.

2312134145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770035.

The product of its digits is 2880, while the sum is 26.

The square root of 2312134145 is about 48084.6560245574. The cubic root of 2312134145 is about 1322.3233769627.

Adding to 2312134145 its reverse (5414312132), we get a palindrome (7726446277).

The spelling of 2312134145 in words is "two billion, three hundred twelve million, one hundred thirty-four thousand, one hundred forty-five".