1434131321 has 4 divisors (see below), whose sum is σ = 1639007232. Its totient is φ = 1229255412.

The previous prime is 1434131317. The next prime is 1434131389. The reversal of 1434131321 is 1231314341.

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.

It is not a de Polignac number, because 1434131321 - 2² = 1434131317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1434133321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102437945 + ... + 102437958.

It is an arithmetic number, because the mean of its divisors is an integer number (409751808).

Almost surely, 2^1434131321 is an apocalyptic number.

It is an amenable number.

1434131321 is a deficient number, since it is larger than the sum of its proper divisors (204875911).

1434131321 is an equidigital number, since it uses as much as digits as its factorization.

1434131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204875910.

The product of its digits is 864, while the sum is 23.

The square root of 1434131321 is about 37869.9263400393. The cubic root of 1434131321 is about 1127.7070796945.

Adding to 1434131321 its reverse (1231314341), we get a palindrome (2665445662).

The spelling of 1434131321 in words is "one billion, four hundred thirty-four million, one hundred thirty-one thousand, three hundred twenty-one".