213432021203 has 2 divisors, whose sum is σ = 213432021204. Its totient is φ = 213432021202.

The previous prime is 213432021199. The next prime is 213432021269. The reversal of 213432021203 is 302120234312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213432021203 - 2² = 213432021199 is a prime.

It is a super-3 number, since 3×213432021203³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (213432021293) 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, 106716010601 + 106716010602.

It is an arithmetic number, because the mean of its divisors is an integer number (106716010602).

Almost surely, 2^213432021203 is an apocalyptic number.

213432021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

213432021203 is an equidigital number, since it uses as much as digits as its factorization.

213432021203 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 213432021203 its reverse (302120234312), we get a palindrome (515552255515).

The spelling of 213432021203 in words is "two hundred thirteen billion, four hundred thirty-two million, twenty-one thousand, two hundred three".