113231130111 has 24 divisors (see below), whose sum is σ = 179068987344. Its totient is φ = 68377167360.

The previous prime is 113231130071. The next prime is 113231130163. The reversal of 113231130111 is 111031132311.

113231130111 is a `hidden beast` number, since 11 + 32 + 311 + 301 + 11 = 666.

It is not a de Polignac number, because 113231130111 - 2¹¹ = 113231128063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113231135111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2037106 + ... + 2091951.

It is an arithmetic number, because the mean of its divisors is an integer number (7461207806).

Almost surely, 2^113231130111 is an apocalyptic number.

113231130111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113231130111 is a deficient number, since it is larger than the sum of its proper divisors (65837857233).

113231130111 is a wasteful number, since it uses less digits than its factorization.

113231130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129351 (or 4129348 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 113231130111 its reverse (111031132311), we get a palindrome (224262262422).

It can be divided in two parts, 113231 and 130111, that added together give a palindrome (243342).

The spelling of 113231130111 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred thirty thousand, one hundred eleven".