204131532531004 has 18 divisors (see below), whose sum is σ = 386823214753080. Its totient is φ = 94214553475536.

The previous prime is 204131532530903. The next prime is 204131532531011. The reversal of 204131532531004 is 400135235131402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150984860664 + ... + 150984862015.

Almost surely, 2^{204131532531004} is an apocalyptic number.

It is an amenable number.

204131532531004 is a deficient number, since it is larger than the sum of its proper divisors (182691682222076).

204131532531004 is a wasteful number, since it uses less digits than its factorization.

204131532531004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301969722709 (or 301969722694 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 204131532531004 its reverse (400135235131402), we get a palindrome (604266767662406).

The spelling of 204131532531004 in words is "two hundred four trillion, one hundred thirty-one billion, five hundred thirty-two million, five hundred thirty-one thousand, four".