Search a number
-
+
101244631 is a prime number
BaseRepresentation
bin1100000100011…
…01111011010111
321001111202112011
412002031323113
5201404312011
614014005051
72336364565
oct602157327
9231452464
10101244631
1152171654
1229aa6787
1317c8b187
14d636a35
158d4d621
hex608ded7

101244631 has 2 divisors, whose sum is σ = 101244632. Its totient is φ = 101244630.

The previous prime is 101244613. The next prime is 101244659. The reversal of 101244631 is 136442101.

Together with previous prime (101244613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101244631 - 25 = 101244599 is a prime.

It is a super-2 number, since 2×1012446312 = 20500950612652322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101244601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50622315 + 50622316.

It is an arithmetic number, because the mean of its divisors is an integer number (50622316).

Almost surely, 2101244631 is an apocalyptic number.

101244631 is a deficient number, since it is larger than the sum of its proper divisors (1).

101244631 is an equidigital number, since it uses as much as digits as its factorization.

101244631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 101244631 is about 10062.0391074573. The cubic root of 101244631 is about 466.0766373616.

Adding to 101244631 its reverse (136442101), we get a palindrome (237686732).

The spelling of 101244631 in words is "one hundred one million, two hundred forty-four thousand, six hundred thirty-one".