1432321312 has 12 divisors (see below), whose sum is σ = 2819882646. Its totient is φ = 716160640.

The previous prime is 1432321309. The next prime is 1432321313. The reversal of 1432321312 is 2131232341.

It can be written as a sum of positive squares in only one way, i.e., 795465616 + 636855696 = 28204^2 + 25236^2 .

It is not an unprimeable number, because it can be changed into a prime (1432321313) 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 as a sum of consecutive naturals, namely, 22379989 + ... + 22380052.

Almost surely, 2^1432321312 is an apocalyptic number.

It is an amenable number.

1432321312 is a deficient number, since it is larger than the sum of its proper divisors (1387561334).

1432321312 is an equidigital number, since it uses as much as digits as its factorization.

1432321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44760051 (or 44760043 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1432321312 is about 37846.0210854457. The cubic root of 1432321312 is about 1127.2324557303.

Adding to 1432321312 its reverse (2131232341), we get a palindrome (3563553653).

The spelling of 1432321312 in words is "one billion, four hundred thirty-two million, three hundred twenty-one thousand, three hundred twelve".