201330431013 has 16 divisors (see below), whose sum is σ = 270468495360. Its totient is φ = 133207018224.

The previous prime is 201330430979. The next prime is 201330431017. The reversal of 201330431013 is 310134033102.

It is a de Polignac number, because none of the positive numbers 2^k-201330431013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330431017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100620 + ... + 1270442.

It is an arithmetic number, because the mean of its divisors is an integer number (16904280960).

Almost surely, 2^201330431013 is an apocalyptic number.

It is an amenable number.

201330431013 is a deficient number, since it is larger than the sum of its proper divisors (69138064347).

201330431013 is a wasteful number, since it uses less digits than its factorization.

201330431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172808.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 201330431013 its reverse (310134033102), we get a palindrome (511464464115).

The spelling of 201330431013 in words is "two hundred one billion, three hundred thirty million, four hundred thirty-one thousand, thirteen".