481231631 has 16 divisors (see below), whose sum is σ = 530696448. Its totient is φ = 434380800.

The previous prime is 481231609. The next prime is 481231643. The reversal of 481231631 is 136132184.

It is a cyclic number.

It is not a de Polignac number, because 481231631 - 2¹⁴ = 481215247 is a prime.

It is a super-2 number, since 2×481231631² = 463167765349840322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481231594 and 481231603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481231931) 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, 55511 + ... + 63591.

It is an arithmetic number, because the mean of its divisors is an integer number (33168528).

Almost surely, 2^481231631 is an apocalyptic number.

481231631 is a deficient number, since it is larger than the sum of its proper divisors (49464817).

481231631 is a wasteful number, since it uses less digits than its factorization.

481231631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242.

The product of its digits is 3456, while the sum is 29.

The square root of 481231631 is about 21936.9922961194. The cubic root of 481231631 is about 783.6426329898.

It can be divided in two parts, 4812316 and 31, that multiplied together give a square (149181796 = 12214²).

The spelling of 481231631 in words is "four hundred eighty-one million, two hundred thirty-one thousand, six hundred thirty-one".