1310131244242 has 8 divisors (see below), whose sum is σ = 1987277730300. Its totient is φ = 647705334144.

The previous prime is 1310131244203. The next prime is 1310131244287. The reversal of 1310131244242 is 2424421310131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1304349010561 + 5782233681 = 1142081^2 + 76041^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1310131244242.

It is an unprimeable number.

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, 3680143767 + ... + 3680144122.

Almost surely, 2^{1310131244242} is an apocalyptic number.

1310131244242 is a deficient number, since it is larger than the sum of its proper divisors (677146486058).

1310131244242 is an equidigital number, since it uses as much as digits as its factorization.

1310131244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360287980.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1310131244242 its reverse (2424421310131), we get a palindrome (3734552554373).

The spelling of 1310131244242 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred forty-four thousand, two hundred forty-two".