1100031338742 has 48 divisors (see below), whose sum is σ = 2559343114800. Its totient is φ = 314284041792.

The previous prime is 1100031338723. The next prime is 1100031338743. The reversal of 1100031338742 is 2478331300011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100031338743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13822128 + ... + 13901484.

It is an arithmetic number, because the mean of its divisors is an integer number (53319648225).

Almost surely, 2^{1100031338742} is an apocalyptic number.

1100031338742 is an abundant number, since it is smaller than the sum of its proper divisors (1459311776058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100031338742 is a wasteful number, since it uses less digits than its factorization.

1100031338742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126525 (or 126518 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 1100031338742 its reverse (2478331300011), we get a palindrome (3578362638753).

The spelling of 1100031338742 in words is "one trillion, one hundred billion, thirty-one million, three hundred thirty-eight thousand, seven hundred forty-two".