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12311220213307 is a prime number
BaseRepresentation
bin1011001100100110110111…
…1010000101011000111011
31121120221102002211000122101
42303021231322011120323
53103201334333311212
642103410235204231
72410312341123121
oct263115572053073
947527362730571
1012311220213307
113a17182948464
121469bb68a6677
136b3c34c59662
14307c1ad55911
1516539a66c157
hexb326de8563b

12311220213307 has 2 divisors, whose sum is σ = 12311220213308. Its totient is φ = 12311220213306.

The previous prime is 12311220213277. The next prime is 12311220213323. The reversal of 12311220213307 is 70331202211321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12311220213307 is a prime.

It is a super-2 number, since 2×123112202133072 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12311220213907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155610106653 + 6155610106654.

It is an arithmetic number, because the mean of its divisors is an integer number (6155610106654).

Almost surely, 212311220213307 is an apocalyptic number.

12311220213307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311220213307 is an equidigital number, since it uses as much as digits as its factorization.

12311220213307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 12311220213307 its reverse (70331202211321), we get a palindrome (82642422424628).

The spelling of 12311220213307 in words is "twelve trillion, three hundred eleven billion, two hundred twenty million, two hundred thirteen thousand, three hundred seven".