204312010400030 has 64 divisors (see below), whose sum is σ = 396552137788800. Its totient is φ = 75342834278400.

The previous prime is 204312010400021. The next prime is 204312010400033. The reversal of 204312010400030 is 30004010213402.

It is a junction number, because it is equal to n+sod(n) for n = 204312010399975 and 204312010400011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204312010400033) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1671872930 + ... + 1671995130.

It is an arithmetic number, because the mean of its divisors is an integer number (6196127152950).

Almost surely, 2^{204312010400030} is an apocalyptic number.

204312010400030 is a deficient number, since it is larger than the sum of its proper divisors (192240127388770).

204312010400030 is a wasteful number, since it uses less digits than its factorization.

204312010400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138389.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204312010400030 its reverse (30004010213402), we get a palindrome (234316020613432).

The spelling of 204312010400030 in words is "two hundred four trillion, three hundred twelve billion, ten million, four hundred thousand, thirty".