204434320233351 has 32 divisors (see below), whose sum is σ = 297085921655040. Its totient is φ = 124288958697984.

The previous prime is 204434320233301. The next prime is 204434320233371. The reversal of 204434320233351 is 153332023434402.

It is not a de Polignac number, because 204434320233351 - 2¹¹ = 204434320231303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204434320233301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581898495 + ... + 582249711.

It is an arithmetic number, because the mean of its divisors is an integer number (9283935051720).

Almost surely, 2^{204434320233351} is an apocalyptic number.

204434320233351 is a deficient number, since it is larger than the sum of its proper divisors (92651601421689).

204434320233351 is a wasteful number, since it uses less digits than its factorization.

204434320233351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531135.

The product of its (nonzero) digits is 622080, while the sum is 39.

Adding to 204434320233351 its reverse (153332023434402), we get a palindrome (357766343667753).

The spelling of 204434320233351 in words is "two hundred four trillion, four hundred thirty-four billion, three hundred twenty million, two hundred thirty-three thousand, three hundred fifty-one".