1432320013 has 4 divisors (see below), whose sum is σ = 1441805728. Its totient is φ = 1422834300.

The previous prime is 1432320011. The next prime is 1432320017. The reversal of 1432320013 is 3100232341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3100232341 = 61 ⋅50823481.

It is a cyclic number.

It is not a de Polignac number, because 1432320013 - 2¹ = 1432320011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432320011) 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 in 3 ways as a sum of consecutive naturals, for example, 4742631 + ... + 4742932.

It is an arithmetic number, because the mean of its divisors is an integer number (360451432).

Almost surely, 2^1432320013 is an apocalyptic number.

It is an amenable number.

1432320013 is a deficient number, since it is larger than the sum of its proper divisors (9485715).

1432320013 is an equidigital number, since it uses as much as digits as its factorization.

1432320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485714.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1432320013 is about 37846.0039237962. The cubic root of 1432320013 is about 1127.2321149605.

Adding to 1432320013 its reverse (3100232341), we get a palindrome (4532552354).

The spelling of 1432320013 in words is "one billion, four hundred thirty-two million, three hundred twenty thousand, thirteen".