1131310023242 has 24 divisors (see below), whose sum is σ = 2090139409764. Its totient is φ = 456326731392.

The previous prime is 1131310023211. The next prime is 1131310023281. The reversal of 1131310023242 is 2423200131311.

It can be written as a sum of positive squares in 2 ways, for example, as 1130115698761 + 1194324481 = 1063069^2 + 34559^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339527153 + ... + 339530484.

Almost surely, 2^{1131310023242} is an apocalyptic number.

1131310023242 is a deficient number, since it is larger than the sum of its proper divisors (958829386522).

1131310023242 is a wasteful number, since it uses less digits than its factorization.

1131310023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679057670 (or 679057663 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1131310023242 its reverse (2423200131311), we get a palindrome (3554510154553).

The spelling of 1131310023242 in words is "one trillion, one hundred thirty-one billion, three hundred ten million, twenty-three thousand, two hundred forty-two".