1311232242044 has 12 divisors (see below), whose sum is σ = 2296036264704. Its totient is φ = 655221880704.

The previous prime is 1311232241989. The next prime is 1311232242059. The reversal of 1311232242044 is 4402422321131.

It is a junction number, because it is equal to n+sod(n) for n = 1311232241998 and 1311232242016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98552597 + ... + 98565900.

It is an arithmetic number, because the mean of its divisors is an integer number (191336355392).

Almost surely, 2^{1311232242044} is an apocalyptic number.

It is an amenable number.

1311232242044 is a deficient number, since it is larger than the sum of its proper divisors (984804022660).

1311232242044 is a wasteful number, since it uses less digits than its factorization.

1311232242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197120164 (or 197120162 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1311232242044 its reverse (4402422321131), we get a palindrome (5713654563175).

The spelling of 1311232242044 in words is "one trillion, three hundred eleven billion, two hundred thirty-two million, two hundred forty-two thousand, forty-four".