113210750281 has 2 divisors, whose sum is σ = 113210750282. Its totient is φ = 113210750280.

The previous prime is 113210750183. The next prime is 113210750291. The reversal of 113210750281 is 182057012311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66128694025 + 47082056256 = 257155^2 + 216984^2 .

It is a cyclic number.

It is not a de Polignac number, because 113210750281 - 2¹⁵ = 113210717513 is a prime.

It is a super-2 number, since 2×113210750281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113210750291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56605375140 + 56605375141.

It is an arithmetic number, because the mean of its divisors is an integer number (56605375141).

Almost surely, 2^113210750281 is an apocalyptic number.

It is an amenable number.

113210750281 is a deficient number, since it is larger than the sum of its proper divisors (1).

113210750281 is an equidigital number, since it uses as much as digits as its factorization.

113210750281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 113210750281 its reverse (182057012311), we get a palindrome (295267762592).

The spelling of 113210750281 in words is "one hundred thirteen billion, two hundred ten million, seven hundred fifty thousand, two hundred eighty-one".