234471316021 has 2 divisors, whose sum is σ = 234471316022. Its totient is φ = 234471316020.

The previous prime is 234471315977. The next prime is 234471316033. The reversal of 234471316021 is 120613174432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233226214225 + 1245101796 = 482935^2 + 35286^2 .

It is a cyclic number.

It is not a de Polignac number, because 234471316021 - 2²⁹ = 233934445109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234471316091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117235658010 + 117235658011.

It is an arithmetic number, because the mean of its divisors is an integer number (117235658011).

Almost surely, 2^234471316021 is an apocalyptic number.

It is an amenable number.

234471316021 is a deficient number, since it is larger than the sum of its proper divisors (1).

234471316021 is an equidigital number, since it uses as much as digits as its factorization.

234471316021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 234471316021 in words is "two hundred thirty-four billion, four hundred seventy-one million, three hundred sixteen thousand, twenty-one".