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23122132331 is a prime number
BaseRepresentation
bin10101100010001011…
…111011110101101011
32012200102101000122112
4111202023323311223
5334323231213311
614342215312535
71445662611344
oct254213736553
965612330575
1023122132331
119895928281
12459367b74b
13224648180c
141194c010cb
15904dd728b
hex5622fbd6b

23122132331 has 2 divisors, whose sum is σ = 23122132332. Its totient is φ = 23122132330.

The previous prime is 23122132321. The next prime is 23122132357. The reversal of 23122132331 is 13323122132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23122132331 is a prime.

It is a super-2 number, since 2×231221323312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23122132297 and 23122132306.

It is not a weakly prime, because it can be changed into another prime (23122132321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561066165 + 11561066166.

It is an arithmetic number, because the mean of its divisors is an integer number (11561066166).

Almost surely, 223122132331 is an apocalyptic number.

23122132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122132331 is an equidigital number, since it uses as much as digits as its factorization.

23122132331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

Adding to 23122132331 its reverse (13323122132), we get a palindrome (36445254463).

The spelling of 23122132331 in words is "twenty-three billion, one hundred twenty-two million, one hundred thirty-two thousand, three hundred thirty-one".