201055431435413 has 4 divisors (see below), whose sum is σ = 201055732170720. Its totient is φ = 201055130700108.

The previous prime is 201055431435359. The next prime is 201055431435421. The reversal of 201055431435413 is 314534134550102.

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 not a de Polignac number, because 201055431435413 - 2¹² = 201055431431317 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 (201055431435433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149362595 + ... + 150702672.

It is an arithmetic number, because the mean of its divisors is an integer number (50263933042680).

Almost surely, 2^{201055431435413} is an apocalyptic number.

It is an amenable number.

201055431435413 is a deficient number, since it is larger than the sum of its proper divisors (300735307).

201055431435413 is an equidigital number, since it uses as much as digits as its factorization.

201055431435413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300735306.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 201055431435413 its reverse (314534134550102), we get a palindrome (515589565985515).

The spelling of 201055431435413 in words is "two hundred one trillion, fifty-five billion, four hundred thirty-one million, four hundred thirty-five thousand, four hundred thirteen".