Search a number
-
+
31320306462671 is a prime number
BaseRepresentation
bin1110001111100010100111…
…01111011010111111001111
311002220012012000020101201022
413013301103233122333033
513101122441423301141
6150340203344504355
76411550251221642
oct707612357327717
9132805160211638
1031320306462671
119a8595a5301a6
12361a10331b0bb
131462652562875
147a3ca77d3a59
15394aa6803b4b
hex1c7c53bdafcf

31320306462671 has 2 divisors, whose sum is σ = 31320306462672. Its totient is φ = 31320306462670.

The previous prime is 31320306462619. The next prime is 31320306462719. The reversal of 31320306462671 is 17626460302313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31320306462671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320306462371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660153231335 + 15660153231336.

It is an arithmetic number, because the mean of its divisors is an integer number (15660153231336).

Almost surely, 231320306462671 is an apocalyptic number.

31320306462671 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320306462671 is an equidigital number, since it uses as much as digits as its factorization.

31320306462671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 44.

Adding to 31320306462671 its reverse (17626460302313), we get a palindrome (48946766764984).

The spelling of 31320306462671 in words is "thirty-one trillion, three hundred twenty billion, three hundred six million, four hundred sixty-two thousand, six hundred seventy-one".