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2120100131 is a prime number
BaseRepresentation
bin111111001011110…
…0010100100100011
312110202100020122002
41332113202210203
513320221201011
6550213034215
7103352360642
oct17627424443
95422306562
102120100131
11998817676
124b202596b
1327a307a26
141617dd359
15c61d7c3b
hex7e5e2923

2120100131 has 2 divisors, whose sum is σ = 2120100132. Its totient is φ = 2120100130.

The previous prime is 2120100109. The next prime is 2120100139. The reversal of 2120100131 is 1310010212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120100131 - 230 = 1046358307 is a prime.

It is a super-2 number, since 2×21201001312 = 8989649130932434322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2120100139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060050065 + 1060050066.

It is an arithmetic number, because the mean of its divisors is an integer number (1060050066).

Almost surely, 22120100131 is an apocalyptic number.

2120100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120100131 is an equidigital number, since it uses as much as digits as its factorization.

2120100131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2120100131 is about 46044.5450732223. The cubic root of 2120100131 is about 1284.6518824652.

Adding to 2120100131 its reverse (1310010212), we get a palindrome (3430110343).

The spelling of 2120100131 in words is "two billion, one hundred twenty million, one hundred thousand, one hundred thirty-one".