4061431081 has 2 divisors, whose sum is σ = 4061431082. Its totient is φ = 4061431080.

The previous prime is 4061431043. The next prime is 4061431091. The reversal of 4061431081 is 1801341604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2304480025 + 1756951056 = 48005^2 + 41916^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061431081 - 2⁷ = 4061430953 is a prime.

It is a super-2 number, since 2×4061431081² = 32990444851425657122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4061431021) 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, 2030715540 + 2030715541.

It is an arithmetic number, because the mean of its divisors is an integer number (2030715541).

Almost surely, 2^4061431081 is an apocalyptic number.

It is an amenable number.

4061431081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061431081 is an equidigital number, since it uses as much as digits as its factorization.

4061431081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4061431081 is about 63729.3580777337. The cubic root of 4061431081 is about 1595.4861161803.

Adding to 4061431081 its reverse (1801341604), we get a palindrome (5862772685).

The spelling of 4061431081 in words is "four billion, sixty-one million, four hundred thirty-one thousand, eighty-one".