481731131563 has 8 divisors (see below), whose sum is σ = 533368526400. Its totient is φ = 431401012680.

The previous prime is 481731131543. The next prime is 481731131573. The reversal of 481731131563 is 365131137184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481731131563 - 2¹³ = 481731123371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481731131503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326818213 + ... + 326819686.

It is an arithmetic number, because the mean of its divisors is an integer number (66671065800).

Almost surely, 2^481731131563 is an apocalyptic number.

481731131563 is a deficient number, since it is larger than the sum of its proper divisors (51637394837).

481731131563 is a wasteful number, since it uses less digits than its factorization.

481731131563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653637977.

The product of its digits is 181440, while the sum is 43.

The spelling of 481731131563 in words is "four hundred eighty-one billion, seven hundred thirty-one million, one hundred thirty-one thousand, five hundred sixty-three".