1011313013 has 4 divisors (see below), whose sum is σ = 1055283168. Its totient is φ = 967342860.

The previous prime is 1011313003. The next prime is 1011313021. The reversal of 1011313013 is 3103131101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011313013 - 2⁴ = 1011312997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011313003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21985043 + ... + 21985088.

It is an arithmetic number, because the mean of its divisors is an integer number (263820792).

Almost surely, 2^1011313013 is an apocalyptic number.

It is an amenable number.

1011313013 is a deficient number, since it is larger than the sum of its proper divisors (43970155).

1011313013 is an equidigital number, since it uses as much as digits as its factorization.

1011313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43970154.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1011313013 is about 31801.1479824235. The cubic root of 1011313013 is about 1003.7568725669.

Adding to 1011313013 its reverse (3103131101), we get a palindrome (4114444114).

The spelling of 1011313013 in words is "one billion, eleven million, three hundred thirteen thousand, thirteen".