131123312192 has 28 divisors (see below), whose sum is σ = 260221750320. Its totient is φ = 65555627136.

The previous prime is 131123312191. The next prime is 131123312197. The reversal of 131123312192 is 291213321131.

It is a super-3 number, since 3×131123312192³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131123312191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 653159 + ... + 829977.

It is an arithmetic number, because the mean of its divisors is an integer number (9293633940).

Almost surely, 2^131123312192 is an apocalyptic number.

It is an amenable number.

131123312192 is a deficient number, since it is larger than the sum of its proper divisors (129098438128).

131123312192 is a wasteful number, since it uses less digits than its factorization.

131123312192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188418 (or 188408 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The spelling of 131123312192 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred ninety-two".