24220145104231 has 4 divisors (see below), whose sum is σ = 24551927913952. Its totient is φ = 23888362294512.

The previous prime is 24220145104213. The next prime is 24220145104277. The reversal of 24220145104231 is 13240154102242.

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 24220145104231 - 2¹¹ = 24220145102183 is a prime.

It is a super-2 number, since 2×24220145104231² (a number of 28 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 = 24220145104193 and 24220145104202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24220145104291) 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, 165891404751 + ... + 165891404896.

It is an arithmetic number, because the mean of its divisors is an integer number (6137981978488).

Almost surely, 2^{24220145104231} is an apocalyptic number.

24220145104231 is a deficient number, since it is larger than the sum of its proper divisors (331782809721).

24220145104231 is an equidigital number, since it uses as much as digits as its factorization.

24220145104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331782809720.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 24220145104231 its reverse (13240154102242), we get a palindrome (37460299206473).

The spelling of 24220145104231 in words is "twenty-four trillion, two hundred twenty billion, one hundred forty-five million, one hundred four thousand, two hundred thirty-one".