312090041 has 2 divisors, whose sum is σ = 312090042. Its totient is φ = 312090040.

The previous prime is 312089977. The next prime is 312090139. The reversal of 312090041 is 140090213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182790400 + 129299641 = 13520^2 + 11371^2 .

It is a cyclic number.

It is not a de Polignac number, because 312090041 - 2⁶ = 312089977 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 312089995 and 312090022.

It is not a weakly prime, because it can be changed into another prime (312096041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156045020 + 156045021.

It is an arithmetic number, because the mean of its divisors is an integer number (156045021).

Almost surely, 2^312090041 is an apocalyptic number.

It is an amenable number.

312090041 is a deficient number, since it is larger than the sum of its proper divisors (1).

312090041 is an equidigital number, since it uses as much as digits as its factorization.

312090041 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 20.

The square root of 312090041 is about 17666.0703327027. The cubic root of 312090041 is about 678.3075276414.

The spelling of 312090041 in words is "three hundred twelve million, ninety thousand, forty-one".