Search a number
-
+
1431222341 is a prime number
BaseRepresentation
bin101010101001110…
…1011100001000101
310200202002121221212
41111103223201011
510412343103331
6354004021205
750316121613
oct12523534105
93622077855
101431222341
1167498458a
1233b391805
1319a690c33
14d811c6b3
15859b0d2b
hex554eb845

1431222341 has 2 divisors, whose sum is σ = 1431222342. Its totient is φ = 1431222340.

The previous prime is 1431222337. The next prime is 1431222343. The reversal of 1431222341 is 1432221341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119170116 + 312052225 = 33454^2 + 17665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431222341 - 22 = 1431222337 is a prime.

Together with 1431222343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431222343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715611170 + 715611171.

It is an arithmetic number, because the mean of its divisors is an integer number (715611171).

Almost surely, 21431222341 is an apocalyptic number.

It is an amenable number.

1431222341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431222341 is an equidigital number, since it uses as much as digits as its factorization.

1431222341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 1431222341 is about 37831.4993226544. The cubic root of 1431222341 is about 1126.9440863697.

Adding to 1431222341 its reverse (1432221341), we get a palindrome (2863443682).

The spelling of 1431222341 in words is "one billion, four hundred thirty-one million, two hundred twenty-two thousand, three hundred forty-one".