131112030312 has 48 divisors (see below), whose sum is σ = 363353115840. Its totient is φ = 42687636768.

The previous prime is 131112030229. The next prime is 131112030317. The reversal of 131112030312 is 213030211131.

131112030312 is a `hidden beast` number, since 1 + 311 + 12 + 0 + 30 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131112030317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21171328 + ... + 21177519.

It is an arithmetic number, because the mean of its divisors is an integer number (7569856580).

Almost surely, 2^131112030312 is an apocalyptic number.

131112030312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131112030312 is an abundant number, since it is smaller than the sum of its proper divisors (232241085528).

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

131112030312 is a wasteful number, since it uses less digits than its factorization.

131112030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42348902 (or 42348895 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131112030312 its reverse (213030211131), we get a palindrome (344142241443).

The spelling of 131112030312 in words is "one hundred thirty-one billion, one hundred twelve million, thirty thousand, three hundred twelve".