202143013 has 2 divisors, whose sum is σ = 202143014. Its totient is φ = 202143012.

The previous prime is 202142999. The next prime is 202143023. The reversal of 202143013 is 310341202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124032769 + 78110244 = 11137^2 + 8838^2 .

It is a cyclic number.

It is not a de Polignac number, because 202143013 - 2⁵ = 202142981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202143023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071506 + 101071507.

It is an arithmetic number, because the mean of its divisors is an integer number (101071507).

Almost surely, 2^202143013 is an apocalyptic number.

It is an amenable number.

202143013 is a deficient number, since it is larger than the sum of its proper divisors (1).

202143013 is an equidigital number, since it uses as much as digits as its factorization.

202143013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 202143013 is about 14217.7006931501. The cubic root of 202143013 is about 586.8848674320.

Adding to 202143013 its reverse (310341202), we get a palindrome (512484215).

The spelling of 202143013 in words is "two hundred two million, one hundred forty-three thousand, thirteen".