1011550313 has 2 divisors, whose sum is σ = 1011550314. Its totient is φ = 1011550312.

The previous prime is 1011550307. The next prime is 1011550343. The reversal of 1011550313 is 3130551101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766846864 + 244703449 = 27692^2 + 15643^2 .

It is an emirp because it is prime and its reverse (3130551101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011550313 - 2⁴ = 1011550297 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 (1011550343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505775156 + 505775157.

It is an arithmetic number, because the mean of its divisors is an integer number (505775157).

Almost surely, 2^1011550313 is an apocalyptic number.

It is an amenable number.

1011550313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011550313 is an equidigital number, since it uses as much as digits as its factorization.

1011550313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1011550313 is about 31804.8787609700. The cubic root of 1011550313 is about 1003.8353754224.

The spelling of 1011550313 in words is "one billion, eleven million, five hundred fifty thousand, three hundred thirteen".