131012224040219 has 4 divisors (see below), whose sum is σ = 131459364736896. Its totient is φ = 130565083343544.

The previous prime is 131012224040197. The next prime is 131012224040251. The reversal of 131012224040219 is 912040422210131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131012224040219 is a prime.

It is a super-2 number, since 2×131012224040219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131012224040419) 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, 223570347899 + ... + 223570348484.

It is an arithmetic number, because the mean of its divisors is an integer number (32864841184224).

Almost surely, 2^{131012224040219} is an apocalyptic number.

131012224040219 is a deficient number, since it is larger than the sum of its proper divisors (447140696677).

131012224040219 is an equidigital number, since it uses as much as digits as its factorization.

131012224040219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447140696676.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 131012224040219 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, forty thousand, two hundred nineteen".