201326013 has 16 divisors (see below), whose sum is σ = 340869760. Its totient is φ = 115043328.

The previous prime is 201326003. The next prime is 201326017. The reversal of 201326013 is 310623102.

It is not a de Polignac number, because 201326013 - 2⁵ = 201325981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201326017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532420 + ... + 532797.

It is an arithmetic number, because the mean of its divisors is an integer number (21304360).

Almost surely, 2^201326013 is an apocalyptic number.

It is an amenable number.

201326013 is a deficient number, since it is larger than the sum of its proper divisors (139543747).

201326013 is a wasteful number, since it uses less digits than its factorization.

201326013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065233 (or 1065227 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 201326013 is about 14188.9398124032. The cubic root of 201326013 is about 586.0931303331.

Adding to 201326013 its reverse (310623102), we get a palindrome (511949115).

The spelling of 201326013 in words is "two hundred one million, three hundred twenty-six thousand, thirteen".