1012311444 has 24 divisors (see below), whose sum is σ = 2501005248. Its totient is φ = 317587840.

The previous prime is 1012311413. The next prime is 1012311463. The reversal of 1012311444 is 4441132101.

1012311444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1012311444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480952 + ... + 2481359.

It is an arithmetic number, because the mean of its divisors is an integer number (104208552).

Almost surely, 2^1012311444 is an apocalyptic number.

It is an amenable number.

1012311444 is an abundant number, since it is smaller than the sum of its proper divisors (1488693804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012311444 is a wasteful number, since it uses less digits than its factorization.

1012311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962335 (or 4962333 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1012311444 is about 31816.8421437452. The cubic root of 1012311444 is about 1004.0870876241.

Adding to 1012311444 its reverse (4441132101), we get a palindrome (5453443545).

The spelling of 1012311444 in words is "one billion, twelve million, three hundred eleven thousand, four hundred forty-four".