204002831 has 2 divisors, whose sum is σ = 204002832. Its totient is φ = 204002830.

The previous prime is 204002819. The next prime is 204002837. The reversal of 204002831 is 138200402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204002831 - 2¹⁸ = 203740687 is a prime.

It is a super-2 number, since 2×204002831² = 83234310112029122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204002837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102001415 + 102001416.

It is an arithmetic number, because the mean of its divisors is an integer number (102001416).

Almost surely, 2^204002831 is an apocalyptic number.

204002831 is a deficient number, since it is larger than the sum of its proper divisors (1).

204002831 is an equidigital number, since it uses as much as digits as its factorization.

204002831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 204002831 is about 14282.9559615648. The cubic root of 204002831 is about 588.6792547856.

The spelling of 204002831 in words is "two hundred four million, two thousand, eight hundred thirty-one".