201013013 has 2 divisors, whose sum is σ = 201013014. Its totient is φ = 201013012.

The previous prime is 201013009. The next prime is 201013063. The reversal of 201013013 is 310310102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199883044 + 1129969 = 14138^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 201013013 - 2² = 201013009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012985 and 201013003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201013063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506506 + 100506507.

It is an arithmetic number, because the mean of its divisors is an integer number (100506507).

Almost surely, 2^201013013 is an apocalyptic number.

It is an amenable number.

201013013 is a deficient number, since it is larger than the sum of its proper divisors (1).

201013013 is an equidigital number, since it uses as much as digits as its factorization.

201013013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 201013013 is about 14177.9058044550. The cubic root of 201013013 is about 585.7892413039.

Adding to 201013013 its reverse (310310102), we get a palindrome (511323115).

The spelling of 201013013 in words is "two hundred one million, thirteen thousand, thirteen".