481620231 has 24 divisors (see below), whose sum is σ = 717157584. Its totient is φ = 311230080.

The previous prime is 481620221. The next prime is 481620239. The reversal of 481620231 is 132026184.

481620231 is a `hidden beast` number, since 4 + 8 + 1 + 620 + 2 + 31 = 666.

It is not a de Polignac number, because 481620231 - 2¹⁷ = 481489159 is a prime.

It is a super-2 number, since 2×481620231² = 463916093816986722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 481620195 and 481620204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481620239) 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, 91000 + ... + 96146.

It is an arithmetic number, because the mean of its divisors is an integer number (29881566).

Almost surely, 2^481620231 is an apocalyptic number.

481620231 is a deficient number, since it is larger than the sum of its proper divisors (235537353).

481620231 is a wasteful number, since it uses less digits than its factorization.

481620231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5468 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 481620231 is about 21945.8476938121. The cubic root of 481620231 is about 783.8535096762.

The spelling of 481620231 in words is "four hundred eighty-one million, six hundred twenty thousand, two hundred thirty-one".