Search a number
-
+
431142140291 is a prime number
BaseRepresentation
bin1100100011000100001…
…00101111100110000011
31112012212001000000022012
412101202010233212003
524030434341442131
6530021452203135
743102050503642
oct6214204574603
91465761000265
10431142140291
11156934553325
126b6847694ab
133186c519ba5
1416c20199359
15b33592e52b
hex646212f983

431142140291 has 2 divisors, whose sum is σ = 431142140292. Its totient is φ = 431142140290.

The previous prime is 431142140227. The next prime is 431142140333. The reversal of 431142140291 is 192041241134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431142140291 - 26 = 431142140227 is a prime.

It is not a weakly prime, because it can be changed into another prime (431142140791) 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, 215571070145 + 215571070146.

It is an arithmetic number, because the mean of its divisors is an integer number (215571070146).

Almost surely, 2431142140291 is an apocalyptic number.

431142140291 is a deficient number, since it is larger than the sum of its proper divisors (1).

431142140291 is an equidigital number, since it uses as much as digits as its factorization.

431142140291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 431142140291 in words is "four hundred thirty-one billion, one hundred forty-two million, one hundred forty thousand, two hundred ninety-one".