131224302199 has 4 divisors (see below), whose sum is σ = 138130844440. Its totient is φ = 124317759960.

The previous prime is 131224302193. The next prime is 131224302203. The reversal of 131224302199 is 991203422131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991203422131 = 13 ⋅76246417087.

It is a cyclic number.

It is not a de Polignac number, because 131224302199 - 2³ = 131224302191 is a prime.

It is a super-2 number, since 2×131224302199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131224302191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3453271092 + ... + 3453271129.

It is an arithmetic number, because the mean of its divisors is an integer number (34532711110).

Almost surely, 2^131224302199 is an apocalyptic number.

131224302199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131224302199 is a deficient number, since it is larger than the sum of its proper divisors (6906542241).

131224302199 is an equidigital number, since it uses as much as digits as its factorization.

131224302199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906542240.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 131224302199 in words is "one hundred thirty-one billion, two hundred twenty-four million, three hundred two thousand, one hundred ninety-nine".