11233321131231 has 6 divisors (see below), whose sum is σ = 16225908300680. Its totient is φ = 7488880754148.

The previous prime is 11233321131223. The next prime is 11233321131247. The reversal of 11233321131231 is 13213112333211.

11233321131231 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 332 + 11 + 312 + 3 + 1 = 666.

It is not a de Polignac number, because 11233321131231 - 2³ = 11233321131223 is a prime.

It is a super-2 number, since 2×11233321131231² (a number of 27 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 = 11233321131195 and 11233321131204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233321133231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624073396171 + ... + 624073396188.

Almost surely, 2^{11233321131231} is an apocalyptic number.

11233321131231 is a deficient number, since it is larger than the sum of its proper divisors (4992587169449).

11233321131231 is a wasteful number, since it uses less digits than its factorization.

11233321131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248146792365 (or 1248146792362 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 11233321131231 its reverse (13213112333211), we get a palindrome (24446433464442).

The spelling of 11233321131231 in words is "eleven trillion, two hundred thirty-three billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty-one".