11331132001231 has 32 divisors (see below), whose sum is σ = 14316892259328. Its totient is φ = 8738073991680.

The previous prime is 11331132001223. The next prime is 11331132001237. The reversal of 11331132001231 is 13210023113311.

11331132001231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11331132001231 - 2³ = 11331132001223 is a prime.

It is a super-2 number, since 2×11331132001231² (a number of 27 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 (11331132001237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2982201 + ... + 5617453.

It is an arithmetic number, because the mean of its divisors is an integer number (447402883104).

Almost surely, 2^{11331132001231} is an apocalyptic number.

11331132001231 is a deficient number, since it is larger than the sum of its proper divisors (2985760258097).

11331132001231 is a wasteful number, since it uses less digits than its factorization.

11331132001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636871.

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

Adding to 11331132001231 its reverse (13210023113311), we get a palindrome (24541155114542).

The spelling of 11331132001231 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, one thousand, two hundred thirty-one".