204303343121310 has 32 divisors (see below), whose sum is σ = 492868583212320. Its totient is φ = 54198607085568.

The previous prime is 204303343121303. The next prime is 204303343121347. The reversal of 204303343121310 is 13121343303402.

It is a super-2 number, since 2×204303343121310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17642769955 + ... + 17642781534.

It is an arithmetic number, because the mean of its divisors is an integer number (15402143225385).

Almost surely, 2^{204303343121310} is an apocalyptic number.

204303343121310 is an abundant number, since it is smaller than the sum of its proper divisors (288565240091010).

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

204303343121310 is a wasteful number, since it uses less digits than its factorization.

204303343121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35285551692.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 204303343121310 its reverse (13121343303402), we get a palindrome (217424686424712).

The spelling of 204303343121310 in words is "two hundred four trillion, three hundred three billion, three hundred forty-three million, one hundred twenty-one thousand, three hundred ten".