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100299131 is a prime number
BaseRepresentation
bin1011111101001…
…11000101111011
320222201201112122
411332213011323
5201134033011
613541431455
72325346202
oct576470573
9228651478
10100299131
1151686249
122970b58b
1317a199ca
14d46c239
158c133db
hex5fa717b

100299131 has 2 divisors, whose sum is σ = 100299132. Its totient is φ = 100299130.

The previous prime is 100299127. The next prime is 100299149. The reversal of 100299131 is 131992001.

It is a weak prime.

It is an emirp because it is prime and its reverse (131992001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100299131 - 22 = 100299127 is a prime.

It is a super-2 number, since 2×1002991312 = 20119831358710322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100299131.

It is not a weakly prime, because it can be changed into another prime (100299181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50149565 + 50149566.

It is an arithmetic number, because the mean of its divisors is an integer number (50149566).

Almost surely, 2100299131 is an apocalyptic number.

100299131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100299131 is an equidigital number, since it uses as much as digits as its factorization.

100299131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 100299131 is about 10014.9453817782. The cubic root of 100299131 is about 464.6212370227.

The spelling of 100299131 in words is "one hundred million, two hundred ninety-nine thousand, one hundred thirty-one".