1313221113042 has 8 divisors (see below), whose sum is σ = 2626442226096. Its totient is φ = 437740371012.

The previous prime is 1313221113011. The next prime is 1313221113067. The reversal of 1313221113042 is 2403111223131.

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

1313221113042 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 109435092748 + ... + 109435092759.

It is an arithmetic number, because the mean of its divisors is an integer number (328305278262).

Almost surely, 2^{1313221113042} is an apocalyptic number.

1313221113042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313221113042 is a wasteful number, since it uses less digits than its factorization.

1313221113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218870185512.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1313221113042 its reverse (2403111223131), we get a palindrome (3716332336173).

The spelling of 1313221113042 in words is "one trillion, three hundred thirteen billion, two hundred twenty-one million, one hundred thirteen thousand, forty-two".