224145356531 has 2 divisors, whose sum is σ = 224145356532. Its totient is φ = 224145356530.

The previous prime is 224145356521. The next prime is 224145356569. The reversal of 224145356531 is 135653541422.

224145356531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224145356531 - 2²⁶ = 224078247667 is a prime.

It is a super-2 number, since 2×224145356531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224145356521) 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 as a sum of consecutive naturals, namely, 112072678265 + 112072678266.

It is an arithmetic number, because the mean of its divisors is an integer number (112072678266).

Almost surely, 2^224145356531 is an apocalyptic number.

224145356531 is a deficient number, since it is larger than the sum of its proper divisors (1).

224145356531 is an equidigital number, since it uses as much as digits as its factorization.

224145356531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 41.

Adding to 224145356531 its reverse (135653541422), we get a palindrome (359798897953).

The spelling of 224145356531 in words is "two hundred twenty-four billion, one hundred forty-five million, three hundred fifty-six thousand, five hundred thirty-one".