1308342229 has 2 divisors, whose sum is σ = 1308342230. Its totient is φ = 1308342228.

The previous prime is 1308342199. The next prime is 1308342239. The reversal of 1308342229 is 9222438031.

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., 1080634129 + 227708100 = 32873^2 + 15090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308342229 - 2⁹ = 1308341717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1308342194 and 1308342203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308342239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654171114 + 654171115.

It is an arithmetic number, because the mean of its divisors is an integer number (654171115).

Almost surely, 2^1308342229 is an apocalyptic number.

It is an amenable number.

1308342229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308342229 is an equidigital number, since it uses as much as digits as its factorization.

1308342229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1308342229 is about 36171.0136573472. The cubic root of 1308342229 is about 1093.7224326374.

The spelling of 1308342229 in words is "one billion, three hundred eight million, three hundred forty-two thousand, two hundred twenty-nine".