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2131223012179 is a prime number
BaseRepresentation
bin11111000000110110110…
…010100110001101010011
321112202001121002112220021
4133000312302212031103
5234404221042342204
64311023105324311
7306655456463422
oct37006662461523
97482047075807
102131223012179
11751934914088
122a5066336697
13125c86929841
147521a5592b9
153a6883c5154
hex1f036ca6353

2131223012179 has 2 divisors, whose sum is σ = 2131223012180. Its totient is φ = 2131223012178.

The previous prime is 2131223012153. The next prime is 2131223012221. The reversal of 2131223012179 is 9712103221312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131223012179 - 25 = 2131223012147 is a prime.

It is a super-2 number, since 2×21312230121792 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2131223022179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065611506089 + 1065611506090.

It is an arithmetic number, because the mean of its divisors is an integer number (1065611506090).

Almost surely, 22131223012179 is an apocalyptic number.

2131223012179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131223012179 is an equidigital number, since it uses as much as digits as its factorization.

2131223012179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 2131223012179 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-three million, twelve thousand, one hundred seventy-nine".