204210531342 has 24 divisors (see below), whose sum is σ = 461693376144. Its totient is φ = 65110604064.

The previous prime is 204210531293. The next prime is 204210531353. The reversal of 204210531342 is 243135012402.

204210531342 is a `hidden beast` number, since 204 + 2 + 105 + 313 + 42 = 666.

204210531342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204210531342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246630663 + ... + 246631490.

It is an arithmetic number, because the mean of its divisors is an integer number (19237224006).

Almost surely, 2^204210531342 is an apocalyptic number.

204210531342 is an abundant number, since it is smaller than the sum of its proper divisors (257482844802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204210531342 is a wasteful number, since it uses less digits than its factorization.

204210531342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493262184 (or 493262181 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 204210531342 its reverse (243135012402), we get a palindrome (447345543744).

The spelling of 204210531342 in words is "two hundred four billion, two hundred ten million, five hundred thirty-one thousand, three hundred forty-two".