1133230231231 has 16 divisors (see below), whose sum is σ = 1297915200000. Its totient is φ = 969245585568.

The previous prime is 1133230231223. The next prime is 1133230231247. The reversal of 1133230231231 is 1321320323311.

It is a cyclic number.

It is not a de Polignac number, because 1133230231231 - 2³ = 1133230231223 is a prime.

It is a super-2 number, since 2×1133230231231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133230231196 and 1133230231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133230231291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8669145 + ... + 8798893.

It is an arithmetic number, because the mean of its divisors is an integer number (81119700000).

Almost surely, 2^{1133230231231} is an apocalyptic number.

1133230231231 is a deficient number, since it is larger than the sum of its proper divisors (164684968769).

1133230231231 is a wasteful number, since it uses less digits than its factorization.

1133230231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132438.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1133230231231 its reverse (1321320323311), we get a palindrome (2454550554542).

The spelling of 1133230231231 in words is "one trillion, one hundred thirty-three billion, two hundred thirty million, two hundred thirty-one thousand, two hundred thirty-one".