44012431 has 2 divisors, whose sum is σ = 44012432. Its totient is φ = 44012430.

The previous prime is 44012429. The next prime is 44012491. The reversal of 44012431 is 13421044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44012431 - 2¹ = 44012429 is a prime.

It is a super-2 number, since 2×44012431² = 3874188165059522, which contains 22 as substring.

Together with 44012429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44012399 and 44012408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44012491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22006215 + 22006216.

It is an arithmetic number, because the mean of its divisors is an integer number (22006216).

Almost surely, 2^44012431 is an apocalyptic number.

44012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

44012431 is an equidigital number, since it uses as much as digits as its factorization.

44012431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44012431 is about 6634.1865364188. The cubic root of 44012431 is about 353.0680771901.

Adding to 44012431 its reverse (13421044), we get a palindrome (57433475).

The spelling of 44012431 in words is "forty-four million, twelve thousand, four hundred thirty-one".