204032512431 has 18 divisors (see below), whose sum is σ = 323941428720. Its totient is φ = 123656067480.

The previous prime is 204032512373. The next prime is 204032512441. The reversal of 204032512431 is 134215230402.

204032512431 is a `hidden beast` number, since 2 + 0 + 403 + 251 + 2 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 204032512431 - 2⁶ = 204032512367 is a prime.

It is a super-2 number, since 2×204032512431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204032512395 and 204032512404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204032512441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 93677751 + ... + 93679928.

It is an arithmetic number, because the mean of its divisors is an integer number (17996746040).

Almost surely, 2^204032512431 is an apocalyptic number.

204032512431 is a deficient number, since it is larger than the sum of its proper divisors (119908916289).

204032512431 is a wasteful number, since it uses less digits than its factorization.

204032512431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187357707 (or 187357693 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 204032512431 its reverse (134215230402), we get a palindrome (338247742833).

The spelling of 204032512431 in words is "two hundred four billion, thirty-two million, five hundred twelve thousand, four hundred thirty-one".