131112112199 has 4 divisors (see below), whose sum is σ = 133069009464. Its totient is φ = 129155214936.

The previous prime is 131112112181. The next prime is 131112112211. The reversal of 131112112199 is 991211211131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131112112199 - 2¹² = 131112108103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112112499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978448532 + ... + 978448665.

It is an arithmetic number, because the mean of its divisors is an integer number (33267252366).

Almost surely, 2^131112112199 is an apocalyptic number.

131112112199 is a deficient number, since it is larger than the sum of its proper divisors (1956897265).

131112112199 is an equidigital number, since it uses as much as digits as its factorization.

131112112199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956897264.

The product of its digits is 972, while the sum is 32.

The spelling of 131112112199 in words is "one hundred thirty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred ninety-nine".