11590031 has 2 divisors, whose sum is σ = 11590032.
Its totient is φ = 11590030.
The previous prime is 11590013. The next prime is 11590043. The reversal of 11590031 is 13009511.
Adding to 11590031 its reverse (13009511), we get a palindrome (24599542).
Together with previous prime (11590013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (13009511) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11590031 - 210 = 11589007 is a prime.
It is a super-2 number, since 2×115900312 = 268657637161922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 11589985 and 11590012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (11590081) 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 as a sum of consecutive naturals, namely, 5795015 + 5795016.
It is an arithmetic number, because the mean of its divisors is an integer number (5795016).
Almost surely, 211590031 is an apocalyptic number.
11590031 is the 1523-rd centered decagonal number.
11590031 is a deficient number, since it is larger than the sum of its proper divisors (1).
11590031 is an equidigital number, since it uses as much as digits as its factorization.
11590031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 135, while the sum is 20.
The square root of 11590031 is about 3404.4134590264.
The cubic root of 11590031 is about 226.3053733396.
The spelling of 11590031 in words is "eleven million, five hundred ninety thousand, thirty-one".