43106131 has 2 divisors, whose sum is σ = 43106132. Its totient is φ = 43106130.

The previous prime is 43106111. The next prime is 43106143. The reversal of 43106131 is 13160134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43106131 - 2⁵ = 43106099 is a prime.

It is a super-2 number, since 2×43106131² = 3716277059578322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43106099 and 43106108.

It is not a weakly prime, because it can be changed into another prime (43106111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21553065 + 21553066.

It is an arithmetic number, because the mean of its divisors is an integer number (21553066).

Almost surely, 2^43106131 is an apocalyptic number.

43106131 is a deficient number, since it is larger than the sum of its proper divisors (1).

43106131 is an equidigital number, since it uses as much as digits as its factorization.

43106131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 43106131 is about 6565.5259499906. The cubic root of 43106131 is about 350.6278011200.

Adding to 43106131 its reverse (13160134), we get a palindrome (56266265).

The spelling of 43106131 in words is "forty-three million, one hundred six thousand, one hundred thirty-one".