1311133335142 has 32 divisors (see below), whose sum is σ = 2008377504000. Its totient is φ = 641731909728.

The previous prime is 1311133335137. The next prime is 1311133335143. The reversal of 1311133335142 is 2415333311131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311133335143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130598959 + ... + 130608997.

It is an arithmetic number, because the mean of its divisors is an integer number (62761797000).

Almost surely, 2^{1311133335142} is an apocalyptic number.

1311133335142 is a deficient number, since it is larger than the sum of its proper divisors (697244168858).

1311133335142 is a wasteful number, since it uses less digits than its factorization.

1311133335142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780.

The product of its digits is 9720, while the sum is 31.

Adding to 1311133335142 its reverse (2415333311131), we get a palindrome (3726466646273).

The spelling of 1311133335142 in words is "one trillion, three hundred eleven billion, one hundred thirty-three million, three hundred thirty-five thousand, one hundred forty-two".