Search a number
-
+
3031443431 is a prime number
BaseRepresentation
bin1011010010110000…
…0010011111100111
321211021012021121122
42310230002133213
522202022142211
61220450204155
7135056562332
oct26454023747
97737167548
103031443431
111316197355
1270728365b
13394073513
1420a86d619
1512b2056db
hexb4b027e7

3031443431 has 2 divisors, whose sum is σ = 3031443432. Its totient is φ = 3031443430.

The previous prime is 3031443427. The next prime is 3031443461. The reversal of 3031443431 is 1343441303.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3031443431 - 22 = 3031443427 is a prime.

It is a super-2 number, since 2×30314434312 = 18379298550706103522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3031443431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3031443461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515721715 + 1515721716.

It is an arithmetic number, because the mean of its divisors is an integer number (1515721716).

Almost surely, 23031443431 is an apocalyptic number.

3031443431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031443431 is an equidigital number, since it uses as much as digits as its factorization.

3031443431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3031443431 is about 55058.5454856919. The cubic root of 3031443431 is about 1447.2708762617.

Adding to 3031443431 its reverse (1343441303), we get a palindrome (4374884734).

The spelling of 3031443431 in words is "three billion, thirty-one million, four hundred forty-three thousand, four hundred thirty-one".