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2116052531 is a prime number
BaseRepresentation
bin111111000100000…
…0110011000110011
312110110201121100222
41332020012120303
513313202140111
6545550203255
7103303102235
oct17610063063
95413647328
102116052531
1199650264a
124b07b352b
1327951b5b8
14161068255
15c5b887db
hex7e206633

2116052531 has 2 divisors, whose sum is σ = 2116052532. Its totient is φ = 2116052530.

The previous prime is 2116052503. The next prime is 2116052569. The reversal of 2116052531 is 1352506112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116052531 - 214 = 2116036147 is a prime.

It is a super-2 number, since 2×21160525312 = 8955356627903011922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116052531.

It is not a weakly prime, because it can be changed into another prime (2116052131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058026265 + 1058026266.

It is an arithmetic number, because the mean of its divisors is an integer number (1058026266).

Almost surely, 22116052531 is an apocalyptic number.

2116052531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116052531 is an equidigital number, since it uses as much as digits as its factorization.

2116052531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2116052531 is about 46000.5709855867. The cubic root of 2116052531 is about 1283.8338284112.

Adding to 2116052531 its reverse (1352506112), we get a palindrome (3468558643).

The spelling of 2116052531 in words is "two billion, one hundred sixteen million, fifty-two thousand, five hundred thirty-one".