43442314431 has 8 divisors (see below), whose sum is σ = 57924335280. Its totient is φ = 28960918272.

The previous prime is 43442314427. The next prime is 43442314499. The reversal of 43442314431 is 13441324434.

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

It is not a de Polignac number, because 43442314431 - 2² = 43442314427 is a prime.

It is a super-2 number, since 2×43442314431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43442314392 and 43442314401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442314031) 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, 42031 + ... + 297743.

It is an arithmetic number, because the mean of its divisors is an integer number (7240541910).

Almost surely, 2^43442314431 is an apocalyptic number.

43442314431 is a deficient number, since it is larger than the sum of its proper divisors (14482020849).

43442314431 is a wasteful number, since it uses less digits than its factorization.

43442314431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312345.

The product of its digits is 55296, while the sum is 33.

Adding to 43442314431 its reverse (13441324434), we get a palindrome (56883638865).

The spelling of 43442314431 in words is "forty-three billion, four hundred forty-two million, three hundred fourteen thousand, four hundred thirty-one".