3115140442 has 8 divisors (see below), whose sum is σ = 4725213300. Its totient is φ = 1540069344.

The previous prime is 3115140439. The next prime is 3115140443. The reversal of 3115140442 is 2440415113.

It can be written as a sum of positive squares in 2 ways, for example, as 3055988961 + 59151481 = 55281^2 + 7691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3115140443) 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 3 ways as a sum of consecutive naturals, for example, 8750217 + ... + 8750572.

Almost surely, 2^3115140442 is an apocalyptic number.

3115140442 is a deficient number, since it is larger than the sum of its proper divisors (1610072858).

3115140442 is a wasteful number, since it uses less digits than its factorization.

3115140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500880.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3115140442 is about 55813.4432014367. The cubic root of 3115140442 is about 1460.4696746878.

Adding to 3115140442 its reverse (2440415113), we get a palindrome (5555555555).

The spelling of 3115140442 in words is "three billion, one hundred fifteen million, one hundred forty thousand, four hundred forty-two".