Search a number
-
+
231024242291 is a prime number
BaseRepresentation
bin1101011100101000011…
…1100010111001110011
3211002022110212111011012
43113022013202321303
512241114201223131
6254044151141135
722455665441663
oct3271207427163
9732273774135
10231024242291
1189a82186667
12389356747ab
1318a2995b7ab
14b2785881a3
156021e6c52b
hex35ca1e2e73

231024242291 has 2 divisors, whose sum is σ = 231024242292. Its totient is φ = 231024242290.

The previous prime is 231024242237. The next prime is 231024242311. The reversal of 231024242291 is 192242420132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231024242291 - 214 = 231024225907 is a prime.

It is a super-2 number, since 2×2310242422912 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231024202291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115512121145 + 115512121146.

It is an arithmetic number, because the mean of its divisors is an integer number (115512121146).

Almost surely, 2231024242291 is an apocalyptic number.

231024242291 is a deficient number, since it is larger than the sum of its proper divisors (1).

231024242291 is an equidigital number, since it uses as much as digits as its factorization.

231024242291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 231024242291 in words is "two hundred thirty-one billion, twenty-four million, two hundred forty-two thousand, two hundred ninety-one".