1131342102242 has 64 divisors (see below), whose sum is σ = 2050276831488. Its totient is φ = 461852160000.

The previous prime is 1131342102239. The next prime is 1131342102277. The reversal of 1131342102242 is 2422012431311.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465242 + ... + 3777642.

It is an arithmetic number, because the mean of its divisors is an integer number (32035575492).

Almost surely, 2^{1131342102242} is an apocalyptic number.

1131342102242 is a deficient number, since it is larger than the sum of its proper divisors (918934729246).

1131342102242 is a wasteful number, since it uses less digits than its factorization.

1131342102242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312875.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1131342102242 its reverse (2422012431311), we get a palindrome (3553354533553).

The spelling of 1131342102242 in words is "one trillion, one hundred thirty-one billion, three hundred forty-two million, one hundred two thousand, two hundred forty-two".