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23312222231213 is a prime number
BaseRepresentation
bin1010100110011110011001…
…01110011001101010101101
310001112121220211221111010002
411103033030232121222231
511023421412342344323
6121325253111354045
74624152412323446
oct523171456315255
9101477824844102
1023312222231213
117478726779243
122746094082925
131001443b461c6
145a84636022cd
152a660eca5828
hex1533ccb99aad

23312222231213 has 2 divisors, whose sum is σ = 23312222231214. Its totient is φ = 23312222231212.

The previous prime is 23312222231171. The next prime is 23312222231227. The reversal of 23312222231213 is 31213222221332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22954955423689 + 357266807524 = 4791133^2 + 597718^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312222231213 - 26 = 23312222231149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23312222231293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656111115606 + 11656111115607.

It is an arithmetic number, because the mean of its divisors is an integer number (11656111115607).

Almost surely, 223312222231213 is an apocalyptic number.

It is an amenable number.

23312222231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312222231213 is an equidigital number, since it uses as much as digits as its factorization.

23312222231213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

Adding to 23312222231213 its reverse (31213222221332), we get a palindrome (54525444452545).

The spelling of 23312222231213 in words is "twenty-three trillion, three hundred twelve billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirteen".