Search a number
-
+
100010231 is a prime number
BaseRepresentation
bin1011111011000…
…00100011110111
320222012001020122
411331200203313
5201100311411
613531322155
72323034006
oct575404367
9228161218
10100010231
11514a9192
12295b035b
1317948369
14d3d4c3d
158ba79db
hex5f608f7

100010231 has 2 divisors, whose sum is σ = 100010232. Its totient is φ = 100010230.

The previous prime is 100010227. The next prime is 100010237. The reversal of 100010231 is 132010001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100010231 - 22 = 100010227 is a prime.

It is a super-2 number, since 2×1000102312 = 20004092609346722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100010237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005115 + 50005116.

It is an arithmetic number, because the mean of its divisors is an integer number (50005116).

Almost surely, 2100010231 is an apocalyptic number.

100010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010231 is an equidigital number, since it uses as much as digits as its factorization.

100010231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100010231 is about 10000.5115369165. The cubic root of 100010231 is about 464.1747121866.

Adding to 100010231 its reverse (132010001), we get a palindrome (232020232).

The spelling of 100010231 in words is "one hundred million, ten thousand, two hundred thirty-one".