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100409311 is a prime number
BaseRepresentation
bin1011111110000…
…01111111011111
320222221022200101
411333001333133
5201201044221
613544041531
72326315342
oct577017737
9228838611
10100409311
1151751002
12297632a7
1317a57bc2
14d49a459
158c35d91
hex5fc1fdf

100409311 has 2 divisors, whose sum is σ = 100409312. Its totient is φ = 100409310.

The previous prime is 100409303. The next prime is 100409317. The reversal of 100409311 is 113904001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (113904001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100409311 - 23 = 100409303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100409317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50204655 + 50204656.

It is an arithmetic number, because the mean of its divisors is an integer number (50204656).

Almost surely, 2100409311 is an apocalyptic number.

100409311 is a deficient number, since it is larger than the sum of its proper divisors (1).

100409311 is an equidigital number, since it uses as much as digits as its factorization.

100409311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100409311 is about 10020.4446508127. Note that the first 3 decimals coincide. The cubic root of 100409311 is about 464.7913057421.

The spelling of 100409311 in words is "one hundred million, four hundred nine thousand, three hundred eleven".