481131231 has 16 divisors (see below), whose sum is σ = 740273664. Its totient is φ = 272261664.

The previous prime is 481131169. The next prime is 481131283. The reversal of 481131231 is 132131184.

It is not a de Polignac number, because 481131231 - 2¹⁰ = 481130207 is a prime.

It is a super-2 number, since 2×481131231² = 462974522887150722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481131031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109056 + ... + 113381.

It is an arithmetic number, because the mean of its divisors is an integer number (46267104).

Almost surely, 2^481131231 is an apocalyptic number.

481131231 is a deficient number, since it is larger than the sum of its proper divisors (259142433).

481131231 is a wasteful number, since it uses less digits than its factorization.

481131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222550.

The product of its digits is 576, while the sum is 24.

The square root of 481131231 is about 21934.7038047018. The cubic root of 481131231 is about 783.5881317286.

The spelling of 481131231 in words is "four hundred eighty-one million, one hundred thirty-one thousand, two hundred thirty-one".