43140020331 has 8 divisors (see below), whose sum is σ = 58743857664. Its totient is φ = 28148098280.

The previous prime is 43140020309. The next prime is 43140020381. The reversal of 43140020331 is 13302004134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43140020331 - 2⁵ = 43140020299 is a prime.

It is a super-2 number, since 2×43140020331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43140020298 and 43140020307.

It is not an unprimeable number, because it can be changed into a prime (43140020381) 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, 152978655 + ... + 152978936.

It is an arithmetic number, because the mean of its divisors is an integer number (7342982208).

Almost surely, 2^43140020331 is an apocalyptic number.

43140020331 is a deficient number, since it is larger than the sum of its proper divisors (15603837333).

43140020331 is a wasteful number, since it uses less digits than its factorization.

43140020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305957641.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 43140020331 its reverse (13302004134), we get a palindrome (56442024465).

The spelling of 43140020331 in words is "forty-three billion, one hundred forty million, twenty thousand, three hundred thirty-one".