11011130031 has 16 divisors (see below), whose sum is σ = 16568472960. Its totient is φ = 6443293920.

The previous prime is 11011130023. The next prime is 11011130051. The reversal of 11011130031 is 13003111011.

It is not a de Polignac number, because 11011130031 - 2³ = 11011130023 is a prime.

It is a super-2 number, since 2×11011130031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011129989 and 11011130016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011130051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5751985 + ... + 5753898.

It is an arithmetic number, because the mean of its divisors is an integer number (1035529560).

Almost surely, 2^11011130031 is an apocalyptic number.

11011130031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11011130031 is a deficient number, since it is larger than the sum of its proper divisors (5557342929).

11011130031 is a wasteful number, since it uses less digits than its factorization.

11011130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505926.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11011130031 its reverse (13003111011), we get a palindrome (24014241042).

It can be divided in two parts, 11011 and 130031, that multiplied together give a palindrome (1431771341).

The spelling of 11011130031 in words is "eleven billion, eleven million, one hundred thirty thousand, thirty-one".