243211034029 has 2 divisors, whose sum is σ = 243211034030. Its totient is φ = 243211034028.

The previous prime is 243211033981. The next prime is 243211034051. The reversal of 243211034029 is 920430112342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199475677129 + 43735356900 = 446627^2 + 209130^2 .

It is a cyclic number.

It is not a de Polignac number, because 243211034029 - 2⁹ = 243211033517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243211134029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121605517014 + 121605517015.

It is an arithmetic number, because the mean of its divisors is an integer number (121605517015).

Almost surely, 2^243211034029 is an apocalyptic number.

It is an amenable number.

243211034029 is a deficient number, since it is larger than the sum of its proper divisors (1).

243211034029 is an equidigital number, since it uses as much as digits as its factorization.

243211034029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 243211034029 in words is "two hundred forty-three billion, two hundred eleven million, thirty-four thousand, twenty-nine".