1131110013 has 16 divisors (see below), whose sum is σ = 1669810176. Its totient is φ = 675288240.

The previous prime is 1131110003. The next prime is 1131110039. The reversal of 1131110013 is 3100111311.

It is not a de Polignac number, because 1131110013 - 2⁸ = 1131109757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131110003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253581 + ... + 258002.

It is an arithmetic number, because the mean of its divisors is an integer number (104363136).

Almost surely, 2^1131110013 is an apocalyptic number.

It is an amenable number.

1131110013 is a deficient number, since it is larger than the sum of its proper divisors (538700163).

1131110013 is a wasteful number, since it uses less digits than its factorization.

1131110013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511664.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1131110013 is about 33631.9790229478. The cubic root of 1131110013 is about 1041.9213781501.

Adding to 1131110013 its reverse (3100111311), we get a palindrome (4231221324).

The spelling of 1131110013 in words is "one billion, one hundred thirty-one million, one hundred ten thousand, thirteen".