202344013021 has 2 divisors, whose sum is σ = 202344013022. Its totient is φ = 202344013020.

The previous prime is 202344012991. The next prime is 202344013031. The reversal of 202344013021 is 120310443202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139043968996 + 63300044025 = 372886^2 + 251595^2 .

It is a cyclic number.

It is not a de Polignac number, because 202344013021 - 2⁹ = 202344012509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202344012983 and 202344013001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202344013031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101172006510 + 101172006511.

It is an arithmetic number, because the mean of its divisors is an integer number (101172006511).

Almost surely, 2^202344013021 is an apocalyptic number.

It is an amenable number.

202344013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

202344013021 is an equidigital number, since it uses as much as digits as its factorization.

202344013021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202344013021 its reverse (120310443202), we get a palindrome (322654456223).

The spelling of 202344013021 in words is "two hundred two billion, three hundred forty-four million, thirteen thousand, twenty-one".