131024431443 has 16 divisors (see below), whose sum is σ = 181430116736. Its totient is φ = 84044822400.

The previous prime is 131024431441. The next prime is 131024431457. The reversal of 131024431443 is 344134420131.

It is not a de Polignac number, because 131024431443 - 2¹ = 131024431441 is a prime.

It is a super-2 number, since 2×131024431443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131024431443.

It is not an unprimeable number, because it can be changed into a prime (131024431441) 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 15 ways as a sum of consecutive naturals, for example, 7571158 + ... + 7588443.

It is an arithmetic number, because the mean of its divisors is an integer number (11339382296).

Almost surely, 2^131024431443 is an apocalyptic number.

131024431443 is a deficient number, since it is larger than the sum of its proper divisors (50405685293).

131024431443 is a wasteful number, since it uses less digits than its factorization.

131024431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15159714.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131024431443 its reverse (344134420131), we get a palindrome (475158851574).

The spelling of 131024431443 in words is "one hundred thirty-one billion, twenty-four million, four hundred thirty-one thousand, four hundred forty-three".