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12302101311 = 34100700437
BaseRepresentation
bin10110111010100001…
…10010101100111111
31011202100120111102220
423131100302230333
5200143314220221
65352420420423
7613600064403
oct133520625477
934670514386
1012302101311
115243240885
122473b47713
131210919bb6
14849bbb103
154c00470c6
hex2dd432b3f

12302101311 has 4 divisors (see below), whose sum is σ = 16402801752. Its totient is φ = 8201400872.

The previous prime is 12302101309. The next prime is 12302101313. The reversal of 12302101311 is 11310120321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12302101309) and next prime (12302101313).

It is a cyclic number.

It is not a de Polignac number, because 12302101311 - 21 = 12302101309 is a prime.

It is a super-2 number, since 2×123021013112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302101313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050350216 + ... + 2050350221.

It is an arithmetic number, because the mean of its divisors is an integer number (4100700438).

Almost surely, 212302101311 is an apocalyptic number.

12302101311 is a deficient number, since it is larger than the sum of its proper divisors (4100700441).

12302101311 is an equidigital number, since it uses as much as digits as its factorization.

12302101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100700440.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12302101311 its reverse (11310120321), we get a palindrome (23612221632).

The spelling of 12302101311 in words is "twelve billion, three hundred two million, one hundred one thousand, three hundred eleven".

Divisors: 1 3 4100700437 12302101311