213432043001 has 2 divisors, whose sum is σ = 213432043002. Its totient is φ = 213432043000.

The previous prime is 213432042983. The next prime is 213432043007. The reversal of 213432043001 is 100340234312.

213432043001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116991361600 + 96440681401 = 342040^2 + 310549^2 .

It is a cyclic number.

It is not a de Polignac number, because 213432043001 - 2¹⁸ = 213431780857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (213432043007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106716021500 + 106716021501.

It is an arithmetic number, because the mean of its divisors is an integer number (106716021501).

Almost surely, 2^213432043001 is an apocalyptic number.

It is an amenable number.

213432043001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213432043001 is an equidigital number, since it uses as much as digits as its factorization.

213432043001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213432043001 its reverse (100340234312), we get a palindrome (313772277313).

The spelling of 213432043001 in words is "two hundred thirteen billion, four hundred thirty-two million, forty-three thousand, one".