205351112143342 has 16 divisors (see below), whose sum is σ = 336029428282032. Its totient is φ = 93341321365120.

The previous prime is 205351112143279. The next prime is 205351112143343. The reversal of 205351112143342 is 243341211153502.

205351112143342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205351112143343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20999718 + ... + 29183734.

It is an arithmetic number, because the mean of its divisors is an integer number (21001839267627).

Almost surely, 2^{205351112143342} is an apocalyptic number.

205351112143342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205351112143342 is a deficient number, since it is larger than the sum of its proper divisors (130678316138690).

205351112143342 is a wasteful number, since it uses less digits than its factorization.

205351112143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324563.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 205351112143342 its reverse (243341211153502), we get a palindrome (448692323296844).

The spelling of 205351112143342 in words is "two hundred five trillion, three hundred fifty-one billion, one hundred twelve million, one hundred forty-three thousand, three hundred forty-two".