4400013031 has 4 divisors (see below), whose sum is σ = 4507330464. Its totient is φ = 4292695600.

The previous prime is 4400013029. The next prime is 4400013047. The reversal of 4400013031 is 1303100044.

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 4400013031 - 2¹ = 4400013029 is a prime.

It is a super-2 number, since 2×4400013031² = 38720229345939613922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4400012996 and 4400013014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53658655 + ... + 53658736.

It is an arithmetic number, because the mean of its divisors is an integer number (1126832616).

Almost surely, 2^4400013031 is an apocalyptic number.

4400013031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4400013031 is a deficient number, since it is larger than the sum of its proper divisors (107317433).

4400013031 is a wasteful number, since it uses less digits than its factorization.

4400013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107317432.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4400013031 is about 66332.5940318936. The cubic root of 4400013031 is about 1638.6441588626.

Adding to 4400013031 its reverse (1303100044), we get a palindrome (5703113075).

The spelling of 4400013031 in words is "four billion, four hundred million, thirteen thousand, thirty-one".