Search a number
-
+
2164307342831 is a prime number
BaseRepresentation
bin11111011111101010110…
…001010011010111101111
321122220110022002200111222
4133133222301103113233
5240430000134432311
64334134041333555
7312236360606054
oct37375261232757
97586408080458
102164307342831
11764972087407
122ab55a1972bb
13129129cc175a
1476a7847d02b
153b472b9eadb
hex1f7eac535ef

2164307342831 has 2 divisors, whose sum is σ = 2164307342832. Its totient is φ = 2164307342830.

The previous prime is 2164307342767. The next prime is 2164307342891. The reversal of 2164307342831 is 1382437034612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2164307342831 - 26 = 2164307342767 is a prime.

It is a super-2 number, since 2×21643073428312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164307342891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082153671415 + 1082153671416.

It is an arithmetic number, because the mean of its divisors is an integer number (1082153671416).

Almost surely, 22164307342831 is an apocalyptic number.

2164307342831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164307342831 is an equidigital number, since it uses as much as digits as its factorization.

2164307342831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 2164307342831 in words is "two trillion, one hundred sixty-four billion, three hundred seven million, three hundred forty-two thousand, eight hundred thirty-one".