1208243313 has 12 divisors (see below), whose sum is σ = 1751410960. Its totient is φ = 802647576.

The previous prime is 1208243299. The next prime is 1208243317. The reversal of 1208243313 is 3133428021.

It is not a de Polignac number, because 1208243313 - 2⁴ = 1208243297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208243317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234643 + ... + 239736.

Almost surely, 2^1208243313 is an apocalyptic number.

It is an amenable number.

1208243313 is a deficient number, since it is larger than the sum of its proper divisors (543167647).

1208243313 is a wasteful number, since it uses less digits than its factorization.

1208243313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474668 (or 474665 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1208243313 is about 34759.7944901865. The cubic root of 1208243313 is about 1065.0863039232.

The spelling of 1208243313 in words is "one billion, two hundred eight million, two hundred forty-three thousand, three hundred thirteen".