201331413213101 has 4 divisors (see below), whose sum is σ = 213174437519772. Its totient is φ = 189488388906432.

The previous prime is 201331413213097. The next prime is 201331413213121. The reversal of 201331413213101 is 101312314133102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117213643575625 + 84117769637476 = 10826525^2 + 9171574^2 .

It is a cyclic number.

It is not a de Polignac number, because 201331413213101 - 2² = 201331413213097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331413213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921512153310 + ... + 5921512153343.

It is an arithmetic number, because the mean of its divisors is an integer number (53293609379943).

Almost surely, 2^{201331413213101} is an apocalyptic number.

It is an amenable number.

201331413213101 is a deficient number, since it is larger than the sum of its proper divisors (11843024306671).

201331413213101 is a wasteful number, since it uses less digits than its factorization.

201331413213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843024306670.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 201331413213101 its reverse (101312314133102), we get a palindrome (302643727346203).

The spelling of 201331413213101 in words is "two hundred one trillion, three hundred thirty-one billion, four hundred thirteen million, two hundred thirteen thousand, one hundred one".