11013032131231 has 24 divisors (see below), whose sum is σ = 11947199256720. Its totient is φ = 10147265856000.

The previous prime is 11013032131223. The next prime is 11013032131243. The reversal of 11013032131231 is 13213123031011.

It is not a de Polignac number, because 11013032131231 - 2³ = 11013032131223 is a prime.

It is a super-2 number, since 2×11013032131231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013032131831) 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 23 ways as a sum of consecutive naturals, for example, 314991591 + ... + 315026551.

It is an arithmetic number, because the mean of its divisors is an integer number (497799969030).

Almost surely, 2^{11013032131231} is an apocalyptic number.

11013032131231 is a deficient number, since it is larger than the sum of its proper divisors (934167125489).

11013032131231 is a wasteful number, since it uses less digits than its factorization.

11013032131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38347 (or 38334 counting only the distinct ones).

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

Adding to 11013032131231 its reverse (13213123031011), we get a palindrome (24226155162242).

The spelling of 11013032131231 in words is "eleven trillion, thirteen billion, thirty-two million, one hundred thirty-one thousand, two hundred thirty-one".