Search a number
-
+
2231304151 is a prime number
BaseRepresentation
bin1000010011111110…
…1111111111010111
312202111120222212111
42010333233333113
514032203213101
61005224331451
7106202525626
oct20477577727
95674528774
102231304151
11a4557091a
12523313b87
1329737211b
141724a96bd
15d0d52251
hex84feffd7

2231304151 has 2 divisors, whose sum is σ = 2231304152. Its totient is φ = 2231304150.

The previous prime is 2231304139. The next prime is 2231304157. The reversal of 2231304151 is 1514031322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231304151 - 29 = 2231303639 is a prime.

It is a super-3 number, since 3×22313041513 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231304157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115652075 + 1115652076.

It is an arithmetic number, because the mean of its divisors is an integer number (1115652076).

Almost surely, 22231304151 is an apocalyptic number.

2231304151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231304151 is an equidigital number, since it uses as much as digits as its factorization.

2231304151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2231304151 is about 47236.6822607177. The cubic root of 2231304151 is about 1306.7311915487.

Adding to 2231304151 its reverse (1514031322), we get a palindrome (3745335473).

The spelling of 2231304151 in words is "two billion, two hundred thirty-one million, three hundred four thousand, one hundred fifty-one".