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103215012331 is a prime number
BaseRepresentation
bin110000000100000011…
…0000001100111101011
3100212102020020220001111
41200020012001213223
53142341020343311
6115225531531151
710312523062204
oct1401006014753
9325366226044
10103215012331
113a856202492
12180065b9ab7
13996b9063c2
144dd20365ab
152a41600d21
hex18081819eb

103215012331 has 2 divisors, whose sum is σ = 103215012332. Its totient is φ = 103215012330.

The previous prime is 103215012301. The next prime is 103215012343. The reversal of 103215012331 is 133210512301.

It is a strong prime.

It is an emirp because it is prime and its reverse (133210512301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103215012331 - 215 = 103214979563 is a prime.

It is a super-2 number, since 2×1032150123312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103215012301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51607506165 + 51607506166.

It is an arithmetic number, because the mean of its divisors is an integer number (51607506166).

Almost surely, 2103215012331 is an apocalyptic number.

103215012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103215012331 is an equidigital number, since it uses as much as digits as its factorization.

103215012331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 103215012331 its reverse (133210512301), we get a palindrome (236425524632).

The spelling of 103215012331 in words is "one hundred three billion, two hundred fifteen million, twelve thousand, three hundred thirty-one".