206342145351 has 12 divisors (see below), whose sum is σ = 298364508312. Its totient is φ = 137416164336.

The previous prime is 206342145311. The next prime is 206342145377. The reversal of 206342145351 is 153541243602.

206342145351 is a `hidden beast` number, since 2 + 0 + 634 + 2 + 14 + 5 + 3 + 5 + 1 = 666.

It is not a de Polignac number, because 206342145351 - 2¹⁹ = 206341621063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206342145311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12096496 + ... + 12113541.

It is an arithmetic number, because the mean of its divisors is an integer number (24863709026).

Almost surely, 2^206342145351 is an apocalyptic number.

206342145351 is a deficient number, since it is larger than the sum of its proper divisors (92022362961).

206342145351 is a wasteful number, since it uses less digits than its factorization.

206342145351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24210990 (or 24210987 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 206342145351 its reverse (153541243602), we get a palindrome (359883388953).

The spelling of 206342145351 in words is "two hundred six billion, three hundred forty-two million, one hundred forty-five thousand, three hundred fifty-one".