213203100001 has 2 divisors, whose sum is σ = 213203100002. Its totient is φ = 213203100000.

The previous prime is 213203099981. The next prime is 213203100017. The reversal of 213203100001 is 100001302312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201224016400 + 11979083601 = 448580^2 + 109449^2 .

It is a cyclic number.

It is not a de Polignac number, because 213203100001 - 2²¹ = 213201002849 is a prime.

It is not a weakly prime, because it can be changed into another prime (213203107001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601550000 + 106601550001.

It is an arithmetic number, because the mean of its divisors is an integer number (106601550001).

Almost surely, 2^213203100001 is an apocalyptic number.

It is an amenable number.

213203100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213203100001 is an equidigital number, since it uses as much as digits as its factorization.

213203100001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 213203100001 its reverse (100001302312), we get a palindrome (313204402313).

The spelling of 213203100001 in words is "two hundred thirteen billion, two hundred three million, one hundred thousand, one".