43240220031 has 8 divisors (see below), whose sum is σ = 58040564400. Its totient is φ = 28633344512.

The previous prime is 43240219987. The next prime is 43240220047. The reversal of 43240220031 is 13002204234.

43240220031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43240220031 - 2¹⁷ = 43240088959 is a prime.

It is a super-2 number, since 2×43240220031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240220131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48366690 + ... + 48367583.

It is an arithmetic number, because the mean of its divisors is an integer number (7255070550).

Almost surely, 2^43240220031 is an apocalyptic number.

43240220031 is a deficient number, since it is larger than the sum of its proper divisors (14800344369).

43240220031 is a wasteful number, since it uses less digits than its factorization.

43240220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96734425.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 43240220031 its reverse (13002204234), we get a palindrome (56242424265).

The spelling of 43240220031 in words is "forty-three billion, two hundred forty million, two hundred twenty thousand, thirty-one".