1181473313 has 2 divisors, whose sum is σ = 1181473314. Its totient is φ = 1181473312.

The previous prime is 1181473303. The next prime is 1181473373. The reversal of 1181473313 is 3133741811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901680784 + 279792529 = 30028^2 + 16727^2 .

It is an emirp because it is prime and its reverse (3133741811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1181473313 - 2¹⁰ = 1181472289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1181473313.

It is not a weakly prime, because it can be changed into another prime (1181473303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590736656 + 590736657.

It is an arithmetic number, because the mean of its divisors is an integer number (590736657).

Almost surely, 2^1181473313 is an apocalyptic number.

It is an amenable number.

1181473313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181473313 is an equidigital number, since it uses as much as digits as its factorization.

1181473313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 1181473313 is about 34372.5662847568. The cubic root of 1181473313 is about 1057.1614195139.

The spelling of 1181473313 in words is "one billion, one hundred eighty-one million, four hundred seventy-three thousand, three hundred thirteen".