406011131 has 2 divisors, whose sum is σ = 406011132. Its totient is φ = 406011130.

The previous prime is 406011113. The next prime is 406011149. The reversal of 406011131 is 131110604.

Together with previous prime (406011113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (406011113) and next prime (406011149).

It is a cyclic number.

It is not a de Polignac number, because 406011131 - 2²² = 401816827 is a prime.

It is a super-2 number, since 2×406011131² = 329690076991798322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406011161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203005565 + 203005566.

It is an arithmetic number, because the mean of its divisors is an integer number (203005566).

Almost surely, 2^406011131 is an apocalyptic number.

406011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

406011131 is an equidigital number, since it uses as much as digits as its factorization.

406011131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 406011131 is about 20149.7178888440. The cubic root of 406011131 is about 740.4788299810.

Adding to 406011131 its reverse (131110604), we get a palindrome (537121735).

The spelling of 406011131 in words is "four hundred six million, eleven thousand, one hundred thirty-one".