11631071 has 2 divisors, whose sum is σ = 11631072. Its totient is φ = 11631070.

The previous prime is 11631029. The next prime is 11631079. The reversal of 11631071 is 17013611.

It is a strong prime.

It is an emirp because it is prime and its reverse (17013611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11631071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11631079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815535 + 5815536.

It is an arithmetic number, because the mean of its divisors is an integer number (5815536).

Almost surely, 2^11631071 is an apocalyptic number.

11631071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11631071 is an equidigital number, since it uses as much as digits as its factorization.

11631071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 11631071 is about 3410.4356026760. The cubic root of 11631071 is about 226.5721725018.

Adding to 11631071 its reverse (17013611), we get a palindrome (28644682).

The spelling of 11631071 in words is "eleven million, six hundred thirty-one thousand, seventy-one".