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120320223131 is a prime number
BaseRepresentation
bin111000000001110100…
…1001110011110011011
3102111120022201122001102
41300003221032132123
53432403434120011
6131135131542015
711456435010353
oct1600351163633
9374508648042
10120320223131
11470336a1539
121b39abba90b
13b466646004
145b75aa1b63
1531e315b73b
hex1c03a4e79b

120320223131 has 2 divisors, whose sum is σ = 120320223132. Its totient is φ = 120320223130.

The previous prime is 120320223113. The next prime is 120320223139. The reversal of 120320223131 is 131322023021.

Together with previous prime (120320223113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120320223131 - 210 = 120320222107 is a prime.

It is a super-2 number, since 2×1203202231312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120320223139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160111565 + 60160111566.

It is an arithmetic number, because the mean of its divisors is an integer number (60160111566).

Almost surely, 2120320223131 is an apocalyptic number.

120320223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320223131 is an equidigital number, since it uses as much as digits as its factorization.

120320223131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120320223131 its reverse (131322023021), we get a palindrome (251642246152).

The spelling of 120320223131 in words is "one hundred twenty billion, three hundred twenty million, two hundred twenty-three thousand, one hundred thirty-one".