204311101 has 2 divisors, whose sum is σ = 204311102. Its totient is φ = 204311100.

The previous prime is 204311087. The next prime is 204311147. The reversal of 204311101 is 101113402.

204311101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191850201 + 12460900 = 13851^2 + 3530^2 .

It is a cyclic number.

It is not a de Polignac number, because 204311101 - 2¹⁹ = 203786813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204311201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102155550 + 102155551.

It is an arithmetic number, because the mean of its divisors is an integer number (102155551).

Almost surely, 2^204311101 is an apocalyptic number.

It is an amenable number.

204311101 is a deficient number, since it is larger than the sum of its proper divisors (1).

204311101 is an equidigital number, since it uses as much as digits as its factorization.

204311101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 204311101 is about 14293.7434215114. The cubic root of 204311101 is about 588.9756245659.

Adding to 204311101 its reverse (101113402), we get a palindrome (305424503).

The spelling of 204311101 in words is "two hundred four million, three hundred eleven thousand, one hundred one".