1309430314 has 4 divisors (see below), whose sum is σ = 1964145474. Its totient is φ = 654715156.

The previous prime is 1309430299. The next prime is 1309430329. The reversal of 1309430314 is 4130349031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4130349031 = 281 ⋅14698751.

It is an interprime number because it is at equal distance from previous prime (1309430299) and next prime (1309430329).

It can be written as a sum of positive squares in only one way, i.e., 993195225 + 316235089 = 31515^2 + 17783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327357577 + ... + 327357580.

Almost surely, 2^1309430314 is an apocalyptic number.

1309430314 is a deficient number, since it is larger than the sum of its proper divisors (654715160).

1309430314 is an equidigital number, since it uses as much as digits as its factorization.

1309430314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654715159.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1309430314 is about 36186.0513734229. The cubic root of 1309430314 is about 1094.0255473203.

Adding to 1309430314 its reverse (4130349031), we get a palindrome (5439779345).

The spelling of 1309430314 in words is "one billion, three hundred nine million, four hundred thirty thousand, three hundred fourteen".