11131130331 has 12 divisors (see below), whose sum is σ = 16381664208. Its totient is φ = 7280739024.

The previous prime is 11131130321. The next prime is 11131130369. The reversal of 11131130331 is 13303113111.

It is not a de Polignac number, because 11131130331 - 2⁹ = 11131129819 is a prime.

It is a super-2 number, since 2×11131130331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131130321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11667375 + ... + 11668328.

It is an arithmetic number, because the mean of its divisors is an integer number (1365138684).

Almost surely, 2^11131130331 is an apocalyptic number.

11131130331 is a deficient number, since it is larger than the sum of its proper divisors (5250533877).

11131130331 is a wasteful number, since it uses less digits than its factorization.

11131130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23335762 (or 23335759 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 11131130331 its reverse (13303113111), we get a palindrome (24434243442).

The spelling of 11131130331 in words is "eleven billion, one hundred thirty-one million, one hundred thirty thousand, three hundred thirty-one".