24313324120021 has 2 divisors, whose sum is σ = 24313324120022. Its totient is φ = 24313324120020.

The previous prime is 24313324119961. The next prime is 24313324120069. The reversal of 24313324120021 is 12002142331342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13848713760996 + 10464610359025 = 3721386^2 + 3234905^2 .

It is a cyclic number.

It is not a de Polignac number, because 24313324120021 - 2¹⁹ = 24313323595733 is a prime.

It is a super-2 number, since 2×24313324120021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24313324120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12156662060010 + 12156662060011.

It is an arithmetic number, because the mean of its divisors is an integer number (12156662060011).

Almost surely, 2^{24313324120021} is an apocalyptic number.

It is an amenable number.

24313324120021 is a deficient number, since it is larger than the sum of its proper divisors (1).

24313324120021 is an equidigital number, since it uses as much as digits as its factorization.

24313324120021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 24313324120021 its reverse (12002142331342), we get a palindrome (36315466451363).

The spelling of 24313324120021 in words is "twenty-four trillion, three hundred thirteen billion, three hundred twenty-four million, one hundred twenty thousand, twenty-one".