1131232100133 has 32 divisors (see below), whose sum is σ = 1535681866752. Its totient is φ = 740609542400.

The previous prime is 1131232100111. The next prime is 1131232100149. The reversal of 1131232100133 is 3310012321311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131232100133 - 2⁵ = 1131232100101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131232107133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28712938 + ... + 28752308.

It is an arithmetic number, because the mean of its divisors is an integer number (47990058336).

Almost surely, 2^{1131232100133} is an apocalyptic number.

It is an amenable number.

1131232100133 is a deficient number, since it is larger than the sum of its proper divisors (404449766619).

1131232100133 is a wasteful number, since it uses less digits than its factorization.

1131232100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40265.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1131232100133 its reverse (3310012321311), we get a palindrome (4441244421444).

The spelling of 1131232100133 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-two million, one hundred thousand, one hundred thirty-three".