1231343044 has 12 divisors (see below), whose sum is σ = 2155378624. Its totient is φ = 615520584.

The previous prime is 1231343027. The next prime is 1231343063. The reversal of 1231343044 is 4403431321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18264 + ... + 52879.

Almost surely, 2^1231343044 is an apocalyptic number.

It is an amenable number.

1231343044 is a deficient number, since it is larger than the sum of its proper divisors (924035580).

1231343044 is a wasteful number, since it uses less digits than its factorization.

1231343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75474 (or 75472 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1231343044 is about 35090.4979161026. The cubic root of 1231343044 is about 1071.8310987797.

Adding to 1231343044 its reverse (4403431321), we get a palindrome (5634774365).

The spelling of 1231343044 in words is "one billion, two hundred thirty-one million, three hundred forty-three thousand, forty-four".