205153431302 has 8 divisors (see below), whose sum is σ = 307769118912. Its totient is φ = 102563725000.

The previous prime is 205153431299. The next prime is 205153431311. The reversal of 205153431302 is 203134351502.

It is a happy number.

205153431302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6475574 + ... + 6507177.

It is an arithmetic number, because the mean of its divisors is an integer number (38471139864).

Almost surely, 2^205153431302 is an apocalyptic number.

205153431302 is a deficient number, since it is larger than the sum of its proper divisors (102615687610).

205153431302 is a wasteful number, since it uses less digits than its factorization.

205153431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12990654.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 205153431302 its reverse (203134351502), we get a palindrome (408287782804).

The spelling of 205153431302 in words is "two hundred five billion, one hundred fifty-three million, four hundred thirty-one thousand, three hundred two".