204010031 has 2 divisors, whose sum is σ = 204010032. Its totient is φ = 204010030.

The previous prime is 204010021. The next prime is 204010043. The reversal of 204010031 is 130010402.

It is a happy number.

204010031 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204010031 is a prime.

It is a super-2 number, since 2×204010031² = 83240185497241922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204009994 and 204010021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204010021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102005015 + 102005016.

It is an arithmetic number, because the mean of its divisors is an integer number (102005016).

Almost surely, 2^204010031 is an apocalyptic number.

204010031 is a deficient number, since it is larger than the sum of its proper divisors (1).

204010031 is an equidigital number, since it uses as much as digits as its factorization.

204010031 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 11.

The square root of 204010031 is about 14283.2080080072. The cubic root of 204010031 is about 588.6861802463.

Adding to 204010031 its reverse (130010402), we get a palindrome (334020433).

The spelling of 204010031 in words is "two hundred four million, ten thousand, thirty-one".