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312430022212001 = 192865457125241
BaseRepresentation
bin100011100001001110100100…
…0011111011011100110100001
31111222020000111102200110011012
41013002131020133123212201
5311422323141141241001
63024252212030430305
7122544216130133351
oct10702351037334641
91458200442613135
10312430022212001
1190605912560981
122b05b046362395
13105440422a4005
14572199d964b61
15261c04dbdd2bb
hex11c27487db9a1

312430022212001 has 6 divisors (see below), whose sum is σ = 329739164717202. Its totient is φ = 295986336832080.

The previous prime is 312430022211947. The next prime is 312430022212003. The reversal of 312430022212001 is 100212220034213.

It can be written as a sum of positive squares in only one way, i.e., 291916360513600 + 20513661698401 = 17085560^2 + 4529201^2 .

It is not a de Polignac number, because 312430022212001 - 214 = 312430022195617 is a prime.

It is a super-2 number, since 2×3124300222120012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312430022212003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432728562260 + ... + 432728562981.

It is an arithmetic number, because the mean of its divisors is an integer number (54956527452867).

Almost surely, 2312430022212001 is an apocalyptic number.

It is an amenable number.

312430022212001 is a deficient number, since it is larger than the sum of its proper divisors (17309142505201).

312430022212001 is an equidigital number, since it uses as much as digits as its factorization.

312430022212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865457125279 (or 865457125260 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 312430022212001 its reverse (100212220034213), we get a palindrome (412642242246214).

The spelling of 312430022212001 in words is "three hundred twelve trillion, four hundred thirty billion, twenty-two million, two hundred twelve thousand, one".

Divisors: 1 19 361 865457125241 16443685379579 312430022212001