4004044311031 has 4 divisors (see below), whose sum is σ = 4004072970064. Its totient is φ = 4004015652000.

The previous prime is 4004044311017. The next prime is 4004044311061. The reversal of 4004044311031 is 1301134404004.

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 4004044311031 - 2⁵ = 4004044310999 is a prime.

It is a super-2 number, since 2×4004044311031² (a number of 26 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 = 4004044310987 and 4004044311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004044311011) 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, 14118915 + ... + 14399716.

It is an arithmetic number, because the mean of its divisors is an integer number (1001018242516).

Almost surely, 2^{4004044311031} is an apocalyptic number.

4004044311031 is a deficient number, since it is larger than the sum of its proper divisors (28659033).

4004044311031 is a wasteful number, since it uses less digits than its factorization.

4004044311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28659032.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4004044311031 its reverse (1301134404004), we get a palindrome (5305178715035).

The spelling of 4004044311031 in words is "four trillion, four billion, forty-four million, three hundred eleven thousand, thirty-one".