1011312113 has 16 divisors (see below), whose sum is σ = 1182449664. Its totient is φ = 846906000.

The previous prime is 1011312079. The next prime is 1011312119. The reversal of 1011312113 is 3112131101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011312113 - 2¹² = 1011308017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011312119) 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 15 ways as a sum of consecutive naturals, for example, 210488 + ... + 215238.

It is an arithmetic number, because the mean of its divisors is an integer number (73903104).

Almost surely, 2^1011312113 is an apocalyptic number.

It is an amenable number.

1011312113 is a deficient number, since it is larger than the sum of its proper divisors (171137551).

1011312113 is an equidigital number, since it uses as much as digits as its factorization.

1011312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1011312113 is about 31801.1338319878. The cubic root of 1011312113 is about 1003.7565748083.

Adding to 1011312113 its reverse (3112131101), we get a palindrome (4123443214).

The spelling of 1011312113 in words is "one billion, eleven million, three hundred twelve thousand, one hundred thirteen".