204005301131 has 2 divisors, whose sum is σ = 204005301132. Its totient is φ = 204005301130.

The previous prime is 204005301121. The next prime is 204005301179. The reversal of 204005301131 is 131103500402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204005301131 is a prime.

It is a super-2 number, since 2×204005301131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204005301121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102002650565 + 102002650566.

It is an arithmetic number, because the mean of its divisors is an integer number (102002650566).

Almost surely, 2^204005301131 is an apocalyptic number.

204005301131 is a deficient number, since it is larger than the sum of its proper divisors (1).

204005301131 is an equidigital number, since it uses as much as digits as its factorization.

204005301131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 204005301131 its reverse (131103500402), we get a palindrome (335108801533).

The spelling of 204005301131 in words is "two hundred four billion, five million, three hundred one thousand, one hundred thirty-one".