204153221531013 has 8 divisors (see below), whose sum is σ = 280985079096576. Its totient is φ = 131711755826400.

The previous prime is 204153221531003. The next prime is 204153221531113. The reversal of 204153221531013 is 310135122351402.

It is a happy number.

204153221531013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204153221531013 - 2¹³ = 204153221522821 is a prime.

It is a super-2 number, since 2×204153221531013² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204153221531003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097597965128 + ... + 1097597965313.

It is an arithmetic number, because the mean of its divisors is an integer number (35123134887072).

Almost surely, 2^{204153221531013} is an apocalyptic number.

It is an amenable number.

204153221531013 is a deficient number, since it is larger than the sum of its proper divisors (76831857565563).

204153221531013 is a wasteful number, since it uses less digits than its factorization.

204153221531013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195195930475.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 204153221531013 its reverse (310135122351402), we get a palindrome (514288343882415).

The spelling of 204153221531013 in words is "two hundred four trillion, one hundred fifty-three billion, two hundred twenty-one million, five hundred thirty-one thousand, thirteen".