505000031204 has 24 divisors (see below), whose sum is σ = 907667955768. Its totient is φ = 245666822400.

The previous prime is 505000031203. The next prime is 505000031227. The reversal of 505000031204 is 402130000505.

It can be written as a sum of positive squares in 4 ways, for example, as 93054282304 + 411945748900 = 305048^2 + 641830^2 .

It is not an unprimeable number, because it can be changed into a prime (505000031203) 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, 6186254 + ... + 6267354.

It is an arithmetic number, because the mean of its divisors is an integer number (37819498157).

Almost surely, 2^505000031204 is an apocalyptic number.

It is an amenable number.

505000031204 is a deficient number, since it is larger than the sum of its proper divisors (402667924564).

505000031204 is a wasteful number, since it uses less digits than its factorization.

505000031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123215 (or 123213 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 505000031204 its reverse (402130000505), we get a palindrome (907130031709).

The spelling of 505000031204 in words is "five hundred five billion, thirty-one thousand, two hundred four".