440211112131 has 8 divisors (see below), whose sum is σ = 670797885184. Its totient is φ = 251549206920.

The previous prime is 440211112127. The next prime is 440211112153. The reversal of 440211112131 is 131211112044.

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

It is not a de Polignac number, because 440211112131 - 2² = 440211112127 is a prime.

It is a super-2 number, since 2×440211112131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 20962433911 = 440211112131 / (4 + 4 + 0 + 2 + 1 + 1 + 1 + 1 + 2 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 440211112098 and 440211112107.

It is not an unprimeable number, because it can be changed into a prime (440211112181) 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 7 ways as a sum of consecutive naturals, for example, 10481216935 + ... + 10481216976.

It is an arithmetic number, because the mean of its divisors is an integer number (83849735648).

Almost surely, 2^440211112131 is an apocalyptic number.

440211112131 is a deficient number, since it is larger than the sum of its proper divisors (230586773053).

440211112131 is a wasteful number, since it uses less digits than its factorization.

440211112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20962433921.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 440211112131 its reverse (131211112044), we get a palindrome (571422224175).

The spelling of 440211112131 in words is "four hundred forty billion, two hundred eleven million, one hundred twelve thousand, one hundred thirty-one".