131123303112 has 32 divisors (see below), whose sum is σ = 327820546080. Its totient is φ = 43706129280.

The previous prime is 131123303089. The next prime is 131123303147. The reversal of 131123303112 is 211303321131.

It is a happy number.

It is a super-3 number, since 3×131123303112³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670108 + ... + 843380.

It is an arithmetic number, because the mean of its divisors is an integer number (10244392065).

Almost surely, 2^131123303112 is an apocalyptic number.

131123303112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131123303112 is an abundant number, since it is smaller than the sum of its proper divisors (196697242968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131123303112 is a wasteful number, since it uses less digits than its factorization.

131123303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204813 (or 204809 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131123303112 its reverse (211303321131), we get a palindrome (342426624243).

The spelling of 131123303112 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred three thousand, one hundred twelve".