1231043044 has 48 divisors (see below), whose sum is σ = 2748404736. Its totient is φ = 468468000.

The previous prime is 1231043027. The next prime is 1231043071. The reversal of 1231043044 is 4403401321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33232 + ... + 59719.

It is an arithmetic number, because the mean of its divisors is an integer number (57258432).

Almost surely, 2^1231043044 is an apocalyptic number.

1231043044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231043044 is an abundant number, since it is smaller than the sum of its proper divisors (1517361692).

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

1231043044 is a wasteful number, since it uses less digits than its factorization.

1231043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93016 (or 93014 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1231043044 is about 35086.2229942181. Note that the first 3 decimals coincide. The cubic root of 1231043044 is about 1071.7440460155.

Adding to 1231043044 its reverse (4403401321), we get a palindrome (5634444365).

The spelling of 1231043044 in words is "one billion, two hundred thirty-one million, forty-three thousand, forty-four".