213013113133201 has 4 divisors (see below), whose sum is σ = 213183660062500. Its totient is φ = 212842566203904.

The previous prime is 213013113133199. The next prime is 213013113133229. The reversal of 213013113133201 is 102331311310312.

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 70583185904400 + 142429927228801 = 8401380^2 + 11934401^2 .

It is a cyclic number.

It is not a de Polignac number, because 213013113133201 - 2¹ = 213013113133199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213013113133241) 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, 85273462776 + ... + 85273465273.

It is an arithmetic number, because the mean of its divisors is an integer number (53295915015625).

Almost surely, 2^{213013113133201} is an apocalyptic number.

It is an amenable number.

213013113133201 is a deficient number, since it is larger than the sum of its proper divisors (170546929299).

213013113133201 is a wasteful number, since it uses less digits than its factorization.

213013113133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170546929298.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 213013113133201 its reverse (102331311310312), we get a palindrome (315344424443513).

The spelling of 213013113133201 in words is "two hundred thirteen trillion, thirteen billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred one".