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23221031233313 is a prime number
BaseRepresentation
bin1010100011110100100010…
…10100010110011100100001
310001012220112120222211000102
411101322101110112130201
511020423132443431223
6121215332224032145
74614443541534014
oct521722124263441
9101186476884012
1023221031233313
117442a9083a871
122730484462655
13cc5970362054
145a3c9247937b
152a40740ba928
hex151e91516721

23221031233313 has 2 divisors, whose sum is σ = 23221031233314. Its totient is φ = 23221031233312.

The previous prime is 23221031233303. The next prime is 23221031233319. The reversal of 23221031233313 is 31333213012232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22021320665344 + 1199710567969 = 4692688^2 + 1095313^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221031233313 - 216 = 23221031167777 is a prime.

It is not a weakly prime, because it can be changed into another prime (23221031233319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610515616656 + 11610515616657.

It is an arithmetic number, because the mean of its divisors is an integer number (11610515616657).

Almost surely, 223221031233313 is an apocalyptic number.

It is an amenable number.

23221031233313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221031233313 is an equidigital number, since it uses as much as digits as its factorization.

23221031233313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 23221031233313 its reverse (31333213012232), we get a palindrome (54554244245545).

The spelling of 23221031233313 in words is "twenty-three trillion, two hundred twenty-one billion, thirty-one million, two hundred thirty-three thousand, three hundred thirteen".