44001431231 has 8 divisors (see below), whose sum is σ = 44402526000. Its totient is φ = 43601747200.

The previous prime is 44001431197. The next prime is 44001431233. The reversal of 44001431231 is 13213410044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44001431231 is a prime.

It is a super-2 number, since 2×44001431231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44001431197 and 44001431206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001431233) 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, 289970 + ... + 414831.

It is an arithmetic number, because the mean of its divisors is an integer number (5550315750).

Almost surely, 2^44001431231 is an apocalyptic number.

44001431231 is a deficient number, since it is larger than the sum of its proper divisors (401094769).

44001431231 is a wasteful number, since it uses less digits than its factorization.

44001431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705369.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 44001431231 its reverse (13213410044), we get a palindrome (57214841275).

The spelling of 44001431231 in words is "forty-four billion, one million, four hundred thirty-one thousand, two hundred thirty-one".