1331103011242 has 16 divisors (see below), whose sum is σ = 2007957268800. Its totient is φ = 661787212032.

The previous prime is 1331103011209. The next prime is 1331103011279. The reversal of 1331103011242 is 2421103011331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11238 + ... + 1631665.

It is an arithmetic number, because the mean of its divisors is an integer number (125497329300).

Almost surely, 2^{1331103011242} is an apocalyptic number.

1331103011242 is a deficient number, since it is larger than the sum of its proper divisors (676854257558).

1331103011242 is a wasteful number, since it uses less digits than its factorization.

1331103011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645197.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1331103011242 its reverse (2421103011331), we get a palindrome (3752206022573).

The spelling of 1331103011242 in words is "one trillion, three hundred thirty-one billion, one hundred three million, eleven thousand, two hundred forty-two".