24220313261 has 2 divisors, whose sum is σ = 24220313262. Its totient is φ = 24220313260.

The previous prime is 24220313207. The next prime is 24220313267. The reversal of 24220313261 is 16231302242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23633220361 + 587092900 = 153731^2 + 24230^2 .

It is a cyclic number.

It is not a de Polignac number, because 24220313261 - 2¹⁸ = 24220051117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24220313261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24220313267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12110156630 + 12110156631.

It is an arithmetic number, because the mean of its divisors is an integer number (12110156631).

Almost surely, 2^24220313261 is an apocalyptic number.

It is an amenable number.

24220313261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24220313261 is an equidigital number, since it uses as much as digits as its factorization.

24220313261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 24220313261 in words is "twenty-four billion, two hundred twenty million, three hundred thirteen thousand, two hundred sixty-one".