11321100031 has 8 divisors (see below), whose sum is σ = 11602571904. Its totient is φ = 11039882880.

The previous prime is 11321100029. The next prime is 11321100047. The reversal of 11321100031 is 13000112311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321100031 - 2¹ = 11321100029 is a prime.

It is a super-2 number, since 2×11321100031² (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 = 11321099984 and 11321100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27931 + ... + 153043.

It is an arithmetic number, because the mean of its divisors is an integer number (1450321488).

Almost surely, 2^11321100031 is an apocalyptic number.

11321100031 is a deficient number, since it is larger than the sum of its proper divisors (281471873).

11321100031 is a wasteful number, since it uses less digits than its factorization.

11321100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127361.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11321100031 its reverse (13000112311), we get a palindrome (24321212342).

The spelling of 11321100031 in words is "eleven billion, three hundred twenty-one million, one hundred thousand, thirty-one".