11313131011 has 16 divisors (see below), whose sum is σ = 13959691200. Its totient is φ = 8928010368.

The previous prime is 11313131009. The next prime is 11313131129. The reversal of 11313131011 is 11013131311.

It is a cyclic number.

It is not a de Polignac number, because 11313131011 - 2¹ = 11313131009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11313111011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124396 + ... + 195193.

It is an arithmetic number, because the mean of its divisors is an integer number (872480700).

Almost surely, 2^11313131011 is an apocalyptic number.

11313131011 is a deficient number, since it is larger than the sum of its proper divisors (2646560189).

11313131011 is a wasteful number, since it uses less digits than its factorization.

11313131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319998.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 11313131011 its reverse (11013131311), we get a palindrome (22326262322).

The spelling of 11313131011 in words is "eleven billion, three hundred thirteen million, one hundred thirty-one thousand, eleven".