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86213259131 is a prime number
BaseRepresentation
bin101000001001010110…
…1011110111101111011
322020112100110100012112
41100102231132331323
52403031043243011
6103334505202535
76141305416466
oct1202255367573
9266470410175
1086213259131
113362115668a
121486079044b
13818c44accc
14425c01c2dd
152398bce58b
hex1412b5ef7b

86213259131 has 2 divisors, whose sum is σ = 86213259132. Its totient is φ = 86213259130.

The previous prime is 86213259127. The next prime is 86213259157. The reversal of 86213259131 is 13195231268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86213259131 - 22 = 86213259127 is a prime.

It is a super-2 number, since 2×862132591312 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86213259331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43106629565 + 43106629566.

It is an arithmetic number, because the mean of its divisors is an integer number (43106629566).

Almost surely, 286213259131 is an apocalyptic number.

86213259131 is a deficient number, since it is larger than the sum of its proper divisors (1).

86213259131 is an equidigital number, since it uses as much as digits as its factorization.

86213259131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The spelling of 86213259131 in words is "eighty-six billion, two hundred thirteen million, two hundred fifty-nine thousand, one hundred thirty-one".