224244220031131 has 4 divisors (see below), whose sum is σ = 224261237895112. Its totient is φ = 224227202167152.

The previous prime is 224244220031077. The next prime is 224244220031137. The reversal of 224244220031131 is 131130022442422.

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 224244220031131 - 2³⁹ = 223694464217243 is a prime.

It is a super-2 number, since 2×224244220031131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224244220031093 and 224244220031102.

It is not an unprimeable number, because it can be changed into a prime (224244220031137) 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, 8508912225 + ... + 8508938578.

It is an arithmetic number, because the mean of its divisors is an integer number (56065309473778).

Almost surely, 2^{224244220031131} is an apocalyptic number.

224244220031131 is a deficient number, since it is larger than the sum of its proper divisors (17017863981).

224244220031131 is a wasteful number, since it uses less digits than its factorization.

224244220031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17017863980.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 224244220031131 its reverse (131130022442422), we get a palindrome (355374242473553).

The spelling of 224244220031131 in words is "two hundred twenty-four trillion, two hundred forty-four billion, two hundred twenty million, thirty-one thousand, one hundred thirty-one".