3031310243242 has 4 divisors (see below), whose sum is σ = 4546965364866. Its totient is φ = 1515655121620.

The previous prime is 3031310243189. The next prime is 3031310243249. The reversal of 3031310243242 is 2423420131303.

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., 2835522577801 + 195787665441 = 1683901^2 + 442479^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3031310243242.

It is not an unprimeable number, because it can be changed into a prime (3031310243249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757827560809 + ... + 757827560812.

Almost surely, 2^{3031310243242} is an apocalyptic number.

3031310243242 is a deficient number, since it is larger than the sum of its proper divisors (1515655121624).

3031310243242 is a wasteful number, since it uses less digits than its factorization.

3031310243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515655121623.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 3031310243242 its reverse (2423420131303), we get a palindrome (5454730374545).

The spelling of 3031310243242 in words is "three trillion, thirty-one billion, three hundred ten million, two hundred forty-three thousand, two hundred forty-two".