10805131 has 2 divisors, whose sum is σ = 10805132. Its totient is φ = 10805130.

The previous prime is 10805117. The next prime is 10805141. The reversal of 10805131 is 13150801.

It is a strong prime.

It is an emirp because it is prime and its reverse (13150801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10805131 - 2¹¹ = 10803083 is a prime.

It is a super-2 number, since 2×10805131² = 233501711854322, 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 = 10805099 and 10805108.

It is not a weakly prime, because it can be changed into another prime (10805111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402565 + 5402566.

It is an arithmetic number, because the mean of its divisors is an integer number (5402566).

Almost surely, 2^10805131 is an apocalyptic number.

10805131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10805131 is an equidigital number, since it uses as much as digits as its factorization.

10805131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 10805131 is about 3287.1159091216. The cubic root of 10805131 is about 221.0768894978.

Adding to 10805131 its reverse (13150801), we get a palindrome (23955932).

The spelling of 10805131 in words is "ten million, eight hundred five thousand, one hundred thirty-one".