1430640313 has 2 divisors, whose sum is σ = 1430640314. Its totient is φ = 1430640312.

The previous prime is 1430640257. The next prime is 1430640329. The reversal of 1430640313 is 3130460341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 916393984 + 514246329 = 30272^2 + 22677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430640313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430640413) 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, 715320156 + 715320157.

It is an arithmetic number, because the mean of its divisors is an integer number (715320157).

Almost surely, 2^1430640313 is an apocalyptic number.

It is an amenable number.

1430640313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430640313 is an equidigital number, since it uses as much as digits as its factorization.

1430640313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1430640313 is about 37823.8061675448. The cubic root of 1430640313 is about 1126.7913027604.

The spelling of 1430640313 in words is "one billion, four hundred thirty million, six hundred forty thousand, three hundred thirteen".