731140541131 has 48 divisors (see below), whose sum is σ = 989819716032. Its totient is φ = 525516963840.

The previous prime is 731140541111. The next prime is 731140541149. The reversal of 731140541131 is 131145041137.

It is a happy number.

It is not a de Polignac number, because 731140541131 - 2⁹ = 731140540619 is a prime.

It is a super-2 number, since 2×731140541131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 731140541093 and 731140541102.

It is not an unprimeable number, because it can be changed into a prime (731140541111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15755595 + ... + 15801931.

It is an arithmetic number, because the mean of its divisors is an integer number (20621244084).

Almost surely, 2^731140541131 is an apocalyptic number.

731140541131 is a deficient number, since it is larger than the sum of its proper divisors (258679174901).

731140541131 is a wasteful number, since it uses less digits than its factorization.

731140541131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47812 (or 47801 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 731140541131 its reverse (131145041137), we get a palindrome (862285582268).

The spelling of 731140541131 in words is "seven hundred thirty-one billion, one hundred forty million, five hundred forty-one thousand, one hundred thirty-one".