3115040242 has 4 divisors (see below), whose sum is σ = 4672560366. Its totient is φ = 1557520120.

The previous prime is 3115040233. The next prime is 3115040251. The reversal of 3115040242 is 2420405113.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3115040233) and next prime (3115040251).

It can be written as a sum of positive squares in only one way, i.e., 2849317641 + 265722601 = 53379^2 + 16301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778760059 + ... + 778760062.

Almost surely, 2^3115040242 is an apocalyptic number.

3115040242 is a deficient number, since it is larger than the sum of its proper divisors (1557520124).

3115040242 is a wasteful number, since it uses less digits than its factorization.

3115040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557520123.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3115040242 is about 55812.5455610116. The cubic root of 3115040242 is about 1460.4540156152.

Adding to 3115040242 its reverse (2420405113), we get a palindrome (5535445355).

The spelling of 3115040242 in words is "three billion, one hundred fifteen million, forty thousand, two hundred forty-two".