3130310042 has 4 divisors (see below), whose sum is σ = 4695465066. Its totient is φ = 1565155020.

The previous prime is 3130310041. The next prime is 3130310119. The reversal of 3130310042 is 2400130313.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1671910321 + 1458399721 = 40889^2 + 38189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3130310042.

It is not an unprimeable number, because it can be changed into a prime (3130310041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782577509 + ... + 782577512.

Almost surely, 2^3130310042 is an apocalyptic number.

3130310042 is a deficient number, since it is larger than the sum of its proper divisors (1565155024).

3130310042 is a wasteful number, since it uses less digits than its factorization.

3130310042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565155023.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3130310042 is about 55949.1737383136. The cubic root of 3130310042 is about 1462.8364888890.

Adding to 3130310042 its reverse (2400130313), we get a palindrome (5530440355).

The spelling of 3130310042 in words is "three billion, one hundred thirty million, three hundred ten thousand, forty-two".