1231044441 has 24 divisors (see below), whose sum is σ = 1862391552. Its totient is φ = 722013600.

The previous prime is 1231044391. The next prime is 1231044449. The reversal of 1231044441 is 1444401321.

It is not a de Polignac number, because 1231044441 - 2¹⁵ = 1231011673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231044449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43446 + ... + 65951.

It is an arithmetic number, because the mean of its divisors is an integer number (77599648).

Almost surely, 2^1231044441 is an apocalyptic number.

1231044441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1231044441 is a deficient number, since it is larger than the sum of its proper divisors (631347111).

1231044441 is a wasteful number, since it uses less digits than its factorization.

1231044441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109453 (or 109442 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1231044441 is about 35086.2429023114. The cubic root of 1231044441 is about 1071.7444514240.

Adding to 1231044441 its reverse (1444401321), we get a palindrome (2675445762).

The spelling of 1231044441 in words is "one billion, two hundred thirty-one million, forty-four thousand, four hundred forty-one".