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113122030081 is a prime number
BaseRepresentation
bin110100101011010011…
…0010011001000000001
3101210222200001112111211
41221112212103020001
53323133214430311
6123544553410121
711113161250654
oct1512646231001
9353880045454
10113122030081
1143a7a489565
1219b10409941
13a88a269398
145691ab389b
152e21243821
hex1a56993201

113122030081 has 2 divisors, whose sum is σ = 113122030082. Its totient is φ = 113122030080.

The previous prime is 113122030079. The next prime is 113122030127. The reversal of 113122030081 is 180030221311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110160929025 + 2961101056 = 331905^2 + 54416^2 .

It is a cyclic number.

It is not a de Polignac number, because 113122030081 - 21 = 113122030079 is a prime.

It is a super-2 number, since 2×1131220300812 (a number of 23 digits) contains 22 as substring.

Together with 113122030079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113122033081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56561015040 + 56561015041.

It is an arithmetic number, because the mean of its divisors is an integer number (56561015041).

Almost surely, 2113122030081 is an apocalyptic number.

It is an amenable number.

113122030081 is a deficient number, since it is larger than the sum of its proper divisors (1).

113122030081 is an equidigital number, since it uses as much as digits as its factorization.

113122030081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 113122030081 its reverse (180030221311), we get a palindrome (293152251392).

The spelling of 113122030081 in words is "one hundred thirteen billion, one hundred twenty-two million, thirty thousand, eighty-one".