1432321313 has 2 divisors, whose sum is σ = 1432321314. Its totient is φ = 1432321312.

The previous prime is 1432321309. The next prime is 1432321321. The reversal of 1432321313 is 3131232341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776346769 + 655974544 = 27863^2 + 25612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1432321313 - 2² = 1432321309 is a prime.

It is not a weakly prime, because it can be changed into another prime (1432323313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716160656 + 716160657.

It is an arithmetic number, because the mean of its divisors is an integer number (716160657).

Almost surely, 2^1432321313 is an apocalyptic number.

It is an amenable number.

1432321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432321313 is an equidigital number, since it uses as much as digits as its factorization.

1432321313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 1432321313 is about 37846.0210986571. The cubic root of 1432321313 is about 1127.2324559926.

Adding to 1432321313 its reverse (3131232341), we get a palindrome (4563553654).

The spelling of 1432321313 in words is "one billion, four hundred thirty-two million, three hundred twenty-one thousand, three hundred thirteen".