20311030131110 has 16 divisors (see below), whose sum is σ = 38149413116256. Its totient is φ = 7771176745728.

The previous prime is 20311030131103. The next prime is 20311030131143. The reversal of 20311030131110 is 1113103011302.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44154413099 + ... + 44154413558.

It is an arithmetic number, because the mean of its divisors is an integer number (2384338319766).

Almost surely, 2^{20311030131110} is an apocalyptic number.

20311030131110 is a deficient number, since it is larger than the sum of its proper divisors (17838382985146).

20311030131110 is a wasteful number, since it uses less digits than its factorization.

20311030131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88308826687.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 20311030131110 its reverse (1113103011302), we get a palindrome (21424133142412).

The spelling of 20311030131110 in words is "twenty trillion, three hundred eleven billion, thirty million, one hundred thirty-one thousand, one hundred ten".