234421100213 has 2 divisors, whose sum is σ = 234421100214. Its totient is φ = 234421100212.

The previous prime is 234421100203. The next prime is 234421100219. The reversal of 234421100213 is 312001124432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149767452004 + 84653648209 = 386998^2 + 290953^2 .

It is a cyclic number.

It is not a de Polignac number, because 234421100213 - 2⁶ = 234421100149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234421100219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117210550106 + 117210550107.

It is an arithmetic number, because the mean of its divisors is an integer number (117210550107).

Almost surely, 2^234421100213 is an apocalyptic number.

It is an amenable number.

234421100213 is a deficient number, since it is larger than the sum of its proper divisors (1).

234421100213 is an equidigital number, since it uses as much as digits as its factorization.

234421100213 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 234421100213 its reverse (312001124432), we get a palindrome (546422224645).

The spelling of 234421100213 in words is "two hundred thirty-four billion, four hundred twenty-one million, one hundred thousand, two hundred thirteen".