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2112333131 is a prime number
BaseRepresentation
bin111110111100111…
…1010010101001011
312110012201122022102
41331321322111023
513311224130011
6545334344015
7103226351426
oct17571722513
95405648272
102112333131
119943a2167
124ab4bb00b
1327881867c
1416077a9bd
15c56a173b
hex7de7a54b

2112333131 has 2 divisors, whose sum is σ = 2112333132. Its totient is φ = 2112333130.

The previous prime is 2112333109. The next prime is 2112333143. The reversal of 2112333131 is 1313332112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112333131 - 210 = 2112332107 is a prime.

It is a super-2 number, since 2×21123331312 = 8923902512640526322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112333931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056166565 + 1056166566.

It is an arithmetic number, because the mean of its divisors is an integer number (1056166566).

Almost surely, 22112333131 is an apocalyptic number.

2112333131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112333131 is an equidigital number, since it uses as much as digits as its factorization.

2112333131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 2112333131 is about 45960.1254458688. The cubic root of 2112333131 is about 1283.0811860983.

Adding to 2112333131 its reverse (1313332112), we get a palindrome (3425665243).

The spelling of 2112333131 in words is "two billion, one hundred twelve million, three hundred thirty-three thousand, one hundred thirty-one".