202023131213 has 2 divisors, whose sum is σ = 202023131214. Its totient is φ = 202023131212.

The previous prime is 202023131173. The next prime is 202023131237. The reversal of 202023131213 is 312131320202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190062865444 + 11960265769 = 435962^2 + 109363^2 .

It is a cyclic number.

It is not a de Polignac number, because 202023131213 - 2¹⁶ = 202023065677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202023131243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011565606 + 101011565607.

It is an arithmetic number, because the mean of its divisors is an integer number (101011565607).

Almost surely, 2^202023131213 is an apocalyptic number.

It is an amenable number.

202023131213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202023131213 is an equidigital number, since it uses as much as digits as its factorization.

202023131213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202023131213 its reverse (312131320202), we get a palindrome (514154451415).

The spelling of 202023131213 in words is "two hundred two billion, twenty-three million, one hundred thirty-one thousand, two hundred thirteen".