113302213261 has 2 divisors, whose sum is σ = 113302213262. Its totient is φ = 113302213260.

The previous prime is 113302213159. The next prime is 113302213273. The reversal of 113302213261 is 162312203311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112564276036 + 737937225 = 335506^2 + 27165^2 .

It is a cyclic number.

It is not a de Polignac number, because 113302213261 - 2²³ = 113293824653 is a prime.

It is a super-2 number, since 2×113302213261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113302243261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56651106630 + 56651106631.

It is an arithmetic number, because the mean of its divisors is an integer number (56651106631).

Almost surely, 2^113302213261 is an apocalyptic number.

It is an amenable number.

113302213261 is a deficient number, since it is larger than the sum of its proper divisors (1).

113302213261 is an equidigital number, since it uses as much as digits as its factorization.

113302213261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 113302213261 its reverse (162312203311), we get a palindrome (275614416572).

The spelling of 113302213261 in words is "one hundred thirteen billion, three hundred two million, two hundred thirteen thousand, two hundred sixty-one".