20311113113110 has 64 divisors (see below), whose sum is σ = 36956684160000. Its totient is φ = 8036761532032.

The previous prime is 20311113113101. The next prime is 20311113113147. The reversal of 20311113113110 is 1131131111302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1781827191 + ... + 1781838589.

It is an arithmetic number, because the mean of its divisors is an integer number (577448190000).

Almost surely, 2^{20311113113110} is an apocalyptic number.

20311113113110 is a deficient number, since it is larger than the sum of its proper divisors (16645571046890).

20311113113110 is a wasteful number, since it uses less digits than its factorization.

20311113113110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 20311113113110 its reverse (1131131111302), we get a palindrome (21442244224412).

The spelling of 20311113113110 in words is "twenty trillion, three hundred eleven billion, one hundred thirteen million, one hundred thirteen thousand, one hundred ten".