1331100550342 has 16 divisors (see below), whose sum is σ = 2036819689632. Its totient is φ = 652293884160.

The previous prime is 1331100550303. The next prime is 1331100550363. The reversal of 1331100550342 is 2430550011331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331100550342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33287509 + ... + 33327472.

It is an arithmetic number, because the mean of its divisors is an integer number (127301230602).

Almost surely, 2^{1331100550342} is an apocalyptic number.

1331100550342 is a deficient number, since it is larger than the sum of its proper divisors (705719139290).

1331100550342 is a wasteful number, since it uses less digits than its factorization.

1331100550342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66615183.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1331100550342 its reverse (2430550011331), we get a palindrome (3761650561673).

The spelling of 1331100550342 in words is "one trillion, three hundred thirty-one billion, one hundred million, five hundred fifty thousand, three hundred forty-two".