43042332331 has 4 divisors (see below), whose sum is σ = 43316487472. Its totient is φ = 42768177192.

The previous prime is 43042332269. The next prime is 43042332341. The reversal of 43042332331 is 13323324034.

It is a happy number.

43042332331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43042332331 - 2¹⁵ = 43042299563 is a prime.

It is a super-2 number, since 2×43042332331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43042332331.

It is not an unprimeable number, because it can be changed into a prime (43042332341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137077335 + ... + 137077648.

It is an arithmetic number, because the mean of its divisors is an integer number (10829121868).

Almost surely, 2^43042332331 is an apocalyptic number.

43042332331 is a deficient number, since it is larger than the sum of its proper divisors (274155141).

43042332331 is a wasteful number, since it uses less digits than its factorization.

43042332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274155140.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 43042332331 its reverse (13323324034), we get a palindrome (56365656365).

The spelling of 43042332331 in words is "forty-three billion, forty-two million, three hundred thirty-two thousand, three hundred thirty-one".