202013181371 has 2 divisors, whose sum is σ = 202013181372. Its totient is φ = 202013181370.

The previous prime is 202013181367. The next prime is 202013181401. The reversal of 202013181371 is 173181310202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202013181371 - 2² = 202013181367 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (202013181311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006590685 + 101006590686.

It is an arithmetic number, because the mean of its divisors is an integer number (101006590686).

Almost surely, 2^202013181371 is an apocalyptic number.

202013181371 is a deficient number, since it is larger than the sum of its proper divisors (1).

202013181371 is an equidigital number, since it uses as much as digits as its factorization.

202013181371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 202013181371 its reverse (173181310202), we get a palindrome (375194491573).

The spelling of 202013181371 in words is "two hundred two billion, thirteen million, one hundred eighty-one thousand, three hundred seventy-one".