43132640331 has 32 divisors (see below), whose sum is σ = 63762969600. Its totient is φ = 25716487680.

The previous prime is 43132640321. The next prime is 43132640339. The reversal of 43132640331 is 13304623134.

It is not a de Polignac number, because 43132640331 - 2¹⁰ = 43132639307 is a prime.

It is a super-2 number, since 2×43132640331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43132640339) 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 31 ways as a sum of consecutive naturals, for example, 692275 + ... + 752003.

It is an arithmetic number, because the mean of its divisors is an integer number (1992592800).

Almost surely, 2^43132640331 is an apocalyptic number.

43132640331 is a deficient number, since it is larger than the sum of its proper divisors (20630329269).

43132640331 is a wasteful number, since it uses less digits than its factorization.

43132640331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60099.

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 43132640331 in words is "forty-three billion, one hundred thirty-two million, six hundred forty thousand, three hundred thirty-one".