23221030313 has 8 divisors (see below), whose sum is σ = 25617197256. Its totient is φ = 20911996800.

The previous prime is 23221030279. The next prime is 23221030351. The reversal of 23221030313 is 31303012232.

It can be written as a sum of positive squares in 4 ways, for example, as 851939344 + 22369090969 = 29188^2 + 149563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23221030313 - 2¹⁸ = 23220768169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23221030373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21782798 + ... + 21783863.

It is an arithmetic number, because the mean of its divisors is an integer number (3202149657).

Almost surely, 2^23221030313 is an apocalyptic number.

It is an amenable number.

23221030313 is a deficient number, since it is larger than the sum of its proper divisors (2396166943).

23221030313 is a wasteful number, since it uses less digits than its factorization.

23221030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43566715.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23221030313 its reverse (31303012232), we get a palindrome (54524042545).

The spelling of 23221030313 in words is "twenty-three billion, two hundred twenty-one million, thirty thousand, three hundred thirteen".