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12213131200331 is a prime number
BaseRepresentation
bin1011000110111001011101…
…0110001100011101001011
31121020120020010000212202212
42301232113112030131023
53100044443041402311
641550345055215335
72400240530224265
oct261562726143513
947216203025685
1012213131200331
113989618192186
121452ba0b1754b
136a7902329689
14303193a1cb35
15162a590b0c8b
hexb1b9758c74b

12213131200331 has 2 divisors, whose sum is σ = 12213131200332. Its totient is φ = 12213131200330.

The previous prime is 12213131200327. The next prime is 12213131200343. The reversal of 12213131200331 is 13300213131221.

It is a weak prime.

It is an emirp because it is prime and its reverse (13300213131221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213131200331 - 22 = 12213131200327 is a prime.

It is a super-2 number, since 2×122131312003312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213131200297 and 12213131200306.

It is not a weakly prime, because it can be changed into another prime (12213131200321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106565600165 + 6106565600166.

It is an arithmetic number, because the mean of its divisors is an integer number (6106565600166).

Almost surely, 212213131200331 is an apocalyptic number.

12213131200331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213131200331 is an equidigital number, since it uses as much as digits as its factorization.

12213131200331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12213131200331 its reverse (13300213131221), we get a palindrome (25513344331552).

The spelling of 12213131200331 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred thousand, three hundred thirty-one".