204343420331 has 8 divisors (see below), whose sum is σ = 211403016720. Its totient is φ = 197284708768.

The previous prime is 204343420327. The next prime is 204343420423. The reversal of 204343420331 is 133024343402.

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

It is not a de Polignac number, because 204343420331 - 2² = 204343420327 is a prime.

It is a super-2 number, since 2×204343420331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204343420294 and 204343420303.

It is not an unprimeable number, because it can be changed into a prime (204343423331) 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, 266945 + ... + 692781.

It is an arithmetic number, because the mean of its divisors is an integer number (26425377090).

Almost surely, 2^204343420331 is an apocalyptic number.

204343420331 is a deficient number, since it is larger than the sum of its proper divisors (7059596389).

204343420331 is a wasteful number, since it uses less digits than its factorization.

204343420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442413.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 204343420331 its reverse (133024343402), we get a palindrome (337367763733).

The spelling of 204343420331 in words is "two hundred four billion, three hundred forty-three million, four hundred twenty thousand, three hundred thirty-one".