131443040516 has 24 divisors (see below), whose sum is σ = 242613362880. Its totient is φ = 62138692512.

The previous prime is 131443040513. The next prime is 131443040567. The reversal of 131443040516 is 615040344131.

It is a happy number.

It is a super-3 number, since 3×131443040516³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131443040513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680971 + ... + 1757426.

It is an arithmetic number, because the mean of its divisors is an integer number (10108890120).

Almost surely, 2^131443040516 is an apocalyptic number.

It is an amenable number.

131443040516 is a deficient number, since it is larger than the sum of its proper divisors (111170322364).

131443040516 is a wasteful number, since it uses less digits than its factorization.

131443040516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438923 (or 3438921 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 131443040516 its reverse (615040344131), we get a palindrome (746483384647).

The spelling of 131443040516 in words is "one hundred thirty-one billion, four hundred forty-three million, forty thousand, five hundred sixteen".