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3111213210979 is a prime number
BaseRepresentation
bin101101010001100010110…
…000100001110101100011
3102000102120210112202102011
4231101202300201311203
5401433231040222404
610341134400333351
7440530522644556
oct55214260416543
912012523482364
103111213210979
11a9a504826195
12422b83014257
13197503498513
14aa82528869d
1555de30d6604
hex2d462c21d63

3111213210979 has 2 divisors, whose sum is σ = 3111213210980. Its totient is φ = 3111213210978.

The previous prime is 3111213210949. The next prime is 3111213211019. The reversal of 3111213210979 is 9790123121113.

It is an a-pointer prime, because the next prime (3111213211019) can be obtained adding 3111213210979 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3111213210979 - 25 = 3111213210947 is a prime.

It is a super-2 number, since 2×31112132109792 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3111213210949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555606605489 + 1555606605490.

It is an arithmetic number, because the mean of its divisors is an integer number (1555606605490).

Almost surely, 23111213210979 is an apocalyptic number.

3111213210979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111213210979 is an equidigital number, since it uses as much as digits as its factorization.

3111213210979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 3111213210979 in words is "three trillion, one hundred eleven billion, two hundred thirteen million, two hundred ten thousand, nine hundred seventy-nine".