11331132002231 has 4 divisors (see below), whose sum is σ = 11390457300864. Its totient is φ = 11271806703600.

The previous prime is 11331132002171. The next prime is 11331132002269. The reversal of 11331132002231 is 13220023113311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331132002231 is a prime.

It is a super-2 number, since 2×11331132002231² (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 = 11331132002197 and 11331132002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331132005231) 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 3 ways as a sum of consecutive naturals, for example, 29662649030 + ... + 29662649411.

It is an arithmetic number, because the mean of its divisors is an integer number (2847614325216).

Almost surely, 2^{11331132002231} is an apocalyptic number.

11331132002231 is a deficient number, since it is larger than the sum of its proper divisors (59325298633).

11331132002231 is an equidigital number, since it uses as much as digits as its factorization.

11331132002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59325298632.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11331132002231 its reverse (13220023113311), we get a palindrome (24551155115542).

The spelling of 11331132002231 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, two thousand, two hundred thirty-one".