204131203040951 has 2 divisors, whose sum is σ = 204131203040952. Its totient is φ = 204131203040950.

The previous prime is 204131203040927. The next prime is 204131203041041. The reversal of 204131203040951 is 159040302131402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204131203040951 - 2⁶ = 204131203040887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204131203040251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102065601520475 + 102065601520476.

It is an arithmetic number, because the mean of its divisors is an integer number (102065601520476).

Almost surely, 2^{204131203040951} is an apocalyptic number.

204131203040951 is a deficient number, since it is larger than the sum of its proper divisors (1).

204131203040951 is an equidigital number, since it uses as much as digits as its factorization.

204131203040951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 204131203040951 in words is "two hundred four trillion, one hundred thirty-one billion, two hundred three million, forty thousand, nine hundred fifty-one".