2431130045 has 4 divisors (see below), whose sum is σ = 2917356060. Its totient is φ = 1944904032.

The previous prime is 2431130011. The next prime is 2431130057. The reversal of 2431130045 is 5400311342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5400311342 = 2 ⋅2700155671.

It can be written as a sum of positive squares in 2 ways, for example, as 1504353796 + 926776249 = 38786^2 + 30443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431130045 - 2²⁰ = 2430081469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2431130045.

It is a congruent 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, 243113000 + ... + 243113009.

It is an arithmetic number, because the mean of its divisors is an integer number (729339015).

Almost surely, 2^2431130045 is an apocalyptic number.

It is an amenable number.

2431130045 is a deficient number, since it is larger than the sum of its proper divisors (486226015).

2431130045 is an equidigital number, since it uses as much as digits as its factorization.

2431130045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486226014.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2431130045 is about 49306.4909013002. The cubic root of 2431130045 is about 1344.6297945109.

Adding to 2431130045 its reverse (5400311342), we get a palindrome (7831441387).

The spelling of 2431130045 in words is "two billion, four hundred thirty-one million, one hundred thirty thousand, forty-five".