1101309973 has 2 divisors, whose sum is σ = 1101309974. Its totient is φ = 1101309972.

The previous prime is 1101309931. The next prime is 1101310013. The reversal of 1101309973 is 3799031011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830477124 + 270832849 = 28818^2 + 16457^2 .

It is an emirp because it is prime and its reverse (3799031011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101309973 - 2¹⁷ = 1101178901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101409973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550654986 + 550654987.

It is an arithmetic number, because the mean of its divisors is an integer number (550654987).

Almost surely, 2^1101309973 is an apocalyptic number.

It is an amenable number.

1101309973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101309973 is an equidigital number, since it uses as much as digits as its factorization.

1101309973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 1101309973 is about 33185.9906135104. The cubic root of 1101309973 is about 1032.6897283775.

The spelling of 1101309973 in words is "one billion, one hundred one million, three hundred nine thousand, nine hundred seventy-three".