43430132031 has 128 divisors (see below), whose sum is σ = 71684186112. Its totient is φ = 23222707200.

The previous prime is 43430132021. The next prime is 43430132051. The reversal of 43430132031 is 13023103434.

It is a de Polignac number, because none of the positive numbers 2^k-43430132031 is a prime.

It is a super-2 number, since 2×43430132031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43430131992 and 43430132010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43430132021) 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 127 ways as a sum of consecutive naturals, for example, 220457425 + ... + 220457621.

It is an arithmetic number, because the mean of its divisors is an integer number (560032704).

Almost surely, 2^43430132031 is an apocalyptic number.

43430132031 is a deficient number, since it is larger than the sum of its proper divisors (28254054081).

43430132031 is a wasteful number, since it uses less digits than its factorization.

43430132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 43430132031 its reverse (13023103434), we get a palindrome (56453235465).

The spelling of 43430132031 in words is "forty-three billion, four hundred thirty million, one hundred thirty-two thousand, thirty-one".