11008931 has 2 divisors, whose sum is σ = 11008932. Its totient is φ = 11008930.

The previous prime is 11008919. The next prime is 11008967. The reversal of 11008931 is 13980011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11008931 - 2¹⁴ = 10992547 is a prime.

It is a super-2 number, since 2×11008931² = 242393123525522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11008897 and 11008906.

It is not a weakly prime, because it can be changed into another prime (11008901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5504465 + 5504466.

It is an arithmetic number, because the mean of its divisors is an integer number (5504466).

Almost surely, 2^11008931 is an apocalyptic number.

11008931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11008931 is an equidigital number, since it uses as much as digits as its factorization.

11008931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11008931 is about 3317.9709160871. The cubic root of 11008931 is about 222.4581817634.

Adding to 11008931 its reverse (13980011), we get a palindrome (24988942).

The spelling of 11008931 in words is "eleven million, eight thousand, nine hundred thirty-one".