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100323131 is a prime number
BaseRepresentation
bin1011111101011…
…00111100111011
320222202221110112
411332230330323
5201140320011
613542134535
72325506156
oct576547473
9228687415
10100323131
11516a2287
122972144b
1317a278cc
14d476c9d
158c1a58b
hex5facf3b

100323131 has 2 divisors, whose sum is σ = 100323132. Its totient is φ = 100323130.

The previous prime is 100323107. The next prime is 100323143. The reversal of 100323131 is 131323001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100323131 - 214 = 100306747 is a prime.

It is a super-2 number, since 2×1003231312 = 20129461227286322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100323031) 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, 50161565 + 50161566.

It is an arithmetic number, because the mean of its divisors is an integer number (50161566).

Almost surely, 2100323131 is an apocalyptic number.

100323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100323131 is an equidigital number, since it uses as much as digits as its factorization.

100323131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 100323131 is about 10016.1435193392. The cubic root of 100323131 is about 464.6582929117.

Adding to 100323131 its reverse (131323001), we get a palindrome (231646132).

The spelling of 100323131 in words is "one hundred million, three hundred twenty-three thousand, one hundred thirty-one".