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12344201431 = 53032327777
BaseRepresentation
bin10110111111100010…
…11001000011010111
31011212021210101221121
423133301121003113
5200240103421211
65400523024411
7614620660312
oct133761310327
934767711847
1012344201431
115264a86271
12248606b107
13121956a603
14851619979
154c3ab1271
hex2dfc590d7

12344201431 has 4 divisors (see below), whose sum is σ = 12346534512. Its totient is φ = 12341868352.

The previous prime is 12344201417. The next prime is 12344201461. The reversal of 12344201431 is 13410244321.

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

It is a cyclic number.

It is not a de Polignac number, because 12344201431 - 25 = 12344201399 is a prime.

It is a super-2 number, since 2×123442014312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12344201396 and 12344201405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344201461) 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, 1158586 + ... + 1169191.

It is an arithmetic number, because the mean of its divisors is an integer number (3086633628).

Almost surely, 212344201431 is an apocalyptic number.

12344201431 is a deficient number, since it is larger than the sum of its proper divisors (2333081).

12344201431 is an equidigital number, since it uses as much as digits as its factorization.

12344201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333080.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12344201431 its reverse (13410244321), we get a palindrome (25754445752).

The spelling of 12344201431 in words is "twelve billion, three hundred forty-four million, two hundred one thousand, four hundred thirty-one".

Divisors: 1 5303 2327777 12344201431