43130132031 has 32 divisors (see below), whose sum is σ = 69605693440. Its totient is φ = 23205364704.

The previous prime is 43130132029. The next prime is 43130132077. The reversal of 43130132031 is 13023103134.

It is not a de Polignac number, because 43130132031 - 2¹ = 43130132029 is a prime.

It is a super-2 number, since 2×43130132031² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43130131989 and 43130132007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43130132021) 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 31 ways as a sum of consecutive naturals, for example, 266545 + ... + 396618.

It is an arithmetic number, because the mean of its divisors is an integer number (2175177920).

Almost surely, 2^43130132031 is an apocalyptic number.

43130132031 is a deficient number, since it is larger than the sum of its proper divisors (26475561409).

43130132031 is a wasteful number, since it uses less digits than its factorization.

43130132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663355.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 43130132031 its reverse (13023103134), we get a palindrome (56153235165).

The spelling of 43130132031 in words is "forty-three billion, one hundred thirty million, one hundred thirty-two thousand, thirty-one".