11331131100231 has 16 divisors (see below), whose sum is σ = 15996970994400. Its totient is φ = 7109693749248.

The previous prime is 11331131100209. The next prime is 11331131100239. The reversal of 11331131100231 is 13200113113311.

It is not a de Polignac number, because 11331131100231 - 2¹⁰ = 11331131099207 is a prime.

It is a super-2 number, since 2×11331131100231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11331131100198 and 11331131100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131100239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12902685 + ... + 13752873.

It is an arithmetic number, because the mean of its divisors is an integer number (999810687150).

Almost surely, 2^{11331131100231} is an apocalyptic number.

11331131100231 is a deficient number, since it is larger than the sum of its proper divisors (4665839894169).

11331131100231 is a wasteful number, since it uses less digits than its factorization.

11331131100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111538.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11331131100231 its reverse (13200113113311), we get a palindrome (24531244213542).

The spelling of 11331131100231 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred thousand, two hundred thirty-one".