1311132330242 has 24 divisors (see below), whose sum is σ = 2288377759680. Its totient is φ = 561770016360.

The previous prime is 1311132330241. The next prime is 1311132330251. The reversal of 1311132330242 is 2420332311131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1311132330241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1327142 + ... + 2093697.

It is an arithmetic number, because the mean of its divisors is an integer number (95349073320).

Almost surely, 2^{1311132330242} is an apocalyptic number.

1311132330242 is a deficient number, since it is larger than the sum of its proper divisors (977245429438).

1311132330242 is a wasteful number, since it uses less digits than its factorization.

1311132330242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424766 (or 3424759 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1311132330242 its reverse (2420332311131), we get a palindrome (3731464641373).

The spelling of 1311132330242 in words is "one trillion, three hundred eleven billion, one hundred thirty-two million, three hundred thirty thousand, two hundred forty-two".