204343310421142 has 16 divisors (see below), whose sum is σ = 315567412205760. Its totient is φ = 99183327436872.

The previous prime is 204343310420933. The next prime is 204343310421193. The reversal of 204343310421142 is 241124013343402.

204343310421142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204343310421098 and 204343310421107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7288590292 + ... + 7288618327.

It is an arithmetic number, because the mean of its divisors is an integer number (19722963262860).

Almost surely, 2^{204343310421142} is an apocalyptic number.

204343310421142 is a deficient number, since it is larger than the sum of its proper divisors (111224101784618).

204343310421142 is a wasteful number, since it uses less digits than its factorization.

204343310421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577208827.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 204343310421142 its reverse (241124013343402), we get a palindrome (445467323764544).

The spelling of 204343310421142 in words is "two hundred four trillion, three hundred forty-three billion, three hundred ten million, four hundred twenty-one thousand, one hundred forty-two".