655041231 has 24 divisors (see below), whose sum is σ = 1042657616. Its totient is φ = 393724800.

The previous prime is 655041221. The next prime is 655041259. The reversal of 655041231 is 132140556.

655041231 is a `hidden beast` number, since 655 + 0 + 4 + 1 + 2 + 3 + 1 = 666.

655041231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655041231 - 2⁵ = 655041199 is a prime.

It is a super-3 number, since 3×655041231³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 655041195 and 655041204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655041221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60070 + ... + 70131.

Almost surely, 2^655041231 is an apocalyptic number.

655041231 is a deficient number, since it is larger than the sum of its proper divisors (387616385).

655041231 is a wasteful number, since it uses less digits than its factorization.

655041231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130263 (or 130260 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 655041231 is about 25593.7732857037. The cubic root of 655041231 is about 868.4727824084.

Adding to 655041231 its reverse (132140556), we get a palindrome (787181787).

The spelling of 655041231 in words is "six hundred fifty-five million, forty-one thousand, two hundred thirty-one".