213402312041 has 2 divisors, whose sum is σ = 213402312042. Its totient is φ = 213402312040.

The previous prime is 213402312007. The next prime is 213402312061. The reversal of 213402312041 is 140213204312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212171705641 + 1230606400 = 460621^2 + 35080^2 .

It is a cyclic number.

It is not a de Polignac number, because 213402312041 - 2¹⁴ = 213402295657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213402311998 and 213402312016.

It is not a weakly prime, because it can be changed into another prime (213402312061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106701156020 + 106701156021.

It is an arithmetic number, because the mean of its divisors is an integer number (106701156021).

Almost surely, 2^213402312041 is an apocalyptic number.

It is an amenable number.

213402312041 is a deficient number, since it is larger than the sum of its proper divisors (1).

213402312041 is an equidigital number, since it uses as much as digits as its factorization.

213402312041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 213402312041 its reverse (140213204312), we get a palindrome (353615516353).

The spelling of 213402312041 in words is "two hundred thirteen billion, four hundred two million, three hundred twelve thousand, forty-one".