2431105345 has 4 divisors (see below), whose sum is σ = 2917326420. Its totient is φ = 1944884272.

The previous prime is 2431105321. The next prime is 2431105361. The reversal of 2431105345 is 5435011342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5435011342 = 2 ⋅2717505671.

It can be written as a sum of positive squares in 2 ways, for example, as 1315077696 + 1116027649 = 36264^2 + 33407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431105345 - 2¹⁵ = 2431072577 is a prime.

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, 243110530 + ... + 243110539.

It is an arithmetic number, because the mean of its divisors is an integer number (729331605).

Almost surely, 2^2431105345 is an apocalyptic number.

It is an amenable number.

2431105345 is a deficient number, since it is larger than the sum of its proper divisors (486221075).

2431105345 is an equidigital number, since it uses as much as digits as its factorization.

2431105345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486221074.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2431105345 is about 49306.2404265424. The cubic root of 2431105345 is about 1344.6252407345.

Adding to 2431105345 its reverse (5435011342), we get a palindrome (7866116687).

The spelling of 2431105345 in words is "two billion, four hundred thirty-one million, one hundred five thousand, three hundred forty-five".