201100431313 has 4 divisors (see below), whose sum is σ = 211684664560. Its totient is φ = 190516198068.

The previous prime is 201100431293. The next prime is 201100431409. The reversal of 201100431313 is 313134001102.

201100431313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201100431313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 10584233227 = 201100431313 / (2 + 0 + 1 + 1 + 0 + 0 + 4 + 3 + 1 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100431013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5292116595 + ... + 5292116632.

It is an arithmetic number, because the mean of its divisors is an integer number (52921166140).

Almost surely, 2^201100431313 is an apocalyptic number.

It is an amenable number.

201100431313 is a deficient number, since it is larger than the sum of its proper divisors (10584233247).

201100431313 is a wasteful number, since it uses less digits than its factorization.

201100431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584233246.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201100431313 its reverse (313134001102), we get a palindrome (514234432415).

The spelling of 201100431313 in words is "two hundred one billion, one hundred million, four hundred thirty-one thousand, three hundred thirteen".