11180130031 has 6 divisors (see below), whose sum is σ = 13005457440. Its totient is φ = 9582968556.

The previous prime is 11180130023. The next prime is 11180130077. The reversal of 11180130031 is 13003108111.

It is not a de Polignac number, because 11180130031 - 2³ = 11180130023 is a prime.

It is a super-2 number, since 2×11180130031² (a number of 21 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 = 11180129990 and 11180130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11180130331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114082911 + ... + 114083008.

It is an arithmetic number, because the mean of its divisors is an integer number (2167576240).

Almost surely, 2^11180130031 is an apocalyptic number.

11180130031 is a deficient number, since it is larger than the sum of its proper divisors (1825327409).

11180130031 is an equidigital number, since it uses as much as digits as its factorization.

11180130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228165933 (or 228165926 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11180130031 its reverse (13003108111), we get a palindrome (24183238142).

The spelling of 11180130031 in words is "eleven billion, one hundred eighty million, one hundred thirty thousand, thirty-one".