1342313249 has 2 divisors, whose sum is σ = 1342313250. Its totient is φ = 1342313248.

The previous prime is 1342313243. The next prime is 1342313317. The reversal of 1342313249 is 9423132431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1271635600 + 70677649 = 35660^2 + 8407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342313249 - 2¹² = 1342309153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1342313243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671156624 + 671156625.

It is an arithmetic number, because the mean of its divisors is an integer number (671156625).

Almost surely, 2^1342313249 is an apocalyptic number.

It is an amenable number.

1342313249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342313249 is an equidigital number, since it uses as much as digits as its factorization.

1342313249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 1342313249 is about 36637.5933843914. The cubic root of 1342313249 is about 1103.1078088192.

The spelling of 1342313249 in words is "one billion, three hundred forty-two million, three hundred thirteen thousand, two hundred forty-nine".