205031426 has 8 divisors (see below), whose sum is σ = 308117244. Its totient is φ = 102325680.

The previous prime is 205031423. The next prime is 205031483. The reversal of 205031426 is 624130502.

205031426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204461401 + 570025 = 14299^2 + 755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (205031423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93665 + ... + 95828.

Almost surely, 2^205031426 is an apocalyptic number.

205031426 is a deficient number, since it is larger than the sum of its proper divisors (103085818).

205031426 is a wasteful number, since it uses less digits than its factorization.

205031426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190036.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 205031426 is about 14318.9184647445. The cubic root of 205031426 is about 589.6669824214. Note that the first 3 decimals are identical.

Adding to 205031426 its reverse (624130502), we get a palindrome (829161928).

The spelling of 205031426 in words is "two hundred five million, thirty-one thousand, four hundred twenty-six".