1130013013 has 4 divisors (see below), whose sum is σ = 1157574348. Its totient is φ = 1102451680.

The previous prime is 1130012993. The next prime is 1130013019. The reversal of 1130013013 is 3103100311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 297286564 + 832726449 = 17242^2 + 28857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130013013 - 2¹⁷ = 1129881941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130012984 and 1130013002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130013019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13780606 + ... + 13780687.

It is an arithmetic number, because the mean of its divisors is an integer number (289393587).

Almost surely, 2^1130013013 is an apocalyptic number.

It is an amenable number.

1130013013 is a deficient number, since it is larger than the sum of its proper divisors (27561335).

1130013013 is an equidigital number, since it uses as much as digits as its factorization.

1130013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27561334.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1130013013 is about 33615.6661840874. Note that the first 3 decimals coincide. The cubic root of 1130013013 is about 1041.5844355467.

Adding to 1130013013 its reverse (3103100311), we get a palindrome (4233113324).

The spelling of 1130013013 in words is "one billion, one hundred thirty million, thirteen thousand, thirteen".