1131032121133 has 8 divisors (see below), whose sum is σ = 1142276745240. Its totient is φ = 1119788404800.

The previous prime is 1131032121103. The next prime is 1131032121151. The reversal of 1131032121133 is 3311212301311.

It can be written as a sum of positive squares in 4 ways, for example, as 758916260964 + 372115860169 = 871158^2 + 610013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131032121133 - 2⁵ = 1131032121101 is a prime.

It is a super-2 number, since 2×1131032121133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131032121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431291 + ... + 2858887.

It is an arithmetic number, because the mean of its divisors is an integer number (142784593155).

Almost surely, 2^{1131032121133} is an apocalyptic number.

It is an amenable number.

1131032121133 is a deficient number, since it is larger than the sum of its proper divisors (11244624107).

1131032121133 is a wasteful number, since it uses less digits than its factorization.

1131032121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453887.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1131032121133 its reverse (3311212301311), we get a palindrome (4442244422444).

The spelling of 1131032121133 in words is "one trillion, one hundred thirty-one billion, thirty-two million, one hundred twenty-one thousand, one hundred thirty-three".