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312030033123101 = 618775832664133
BaseRepresentation
bin100011011110010100010011…
…1010010001001011100011101
31111220210210001111122102101012
41012330220213102021130131
5311344300001434414401
63023344341320225005
7122503266050025206
oct10674504722113435
91456723044572335
10312030033123101
1190471215101217
122abb561690b165
13105153c8cb6157
14570a4970025ad
15261193d24c8bb
hex11bca2748971d

312030033123101 has 8 divisors (see below), whose sum is σ = 317506904798424. Its totient is φ = 306564826777920.

The previous prime is 312030033123019. The next prime is 312030033123121. The reversal of 312030033123101 is 101321330030213.

It can be written as a sum of positive squares in 4 ways, for example, as 10095934308100 + 301934098815001 = 3177410^2 + 17376251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312030033123101 - 218 = 312030032860957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030033123121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916278570 + ... + 2916385563.

It is an arithmetic number, because the mean of its divisors is an integer number (39688363099803).

Almost surely, 2312030033123101 is an apocalyptic number.

It is an amenable number.

312030033123101 is a deficient number, since it is larger than the sum of its proper divisors (5476871675323).

312030033123101 is an equidigital number, since it uses as much as digits as its factorization.

312030033123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832665071.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 312030033123101 its reverse (101321330030213), we get a palindrome (413351363153314).

The spelling of 312030033123101 in words is "three hundred twelve trillion, thirty billion, thirty-three million, one hundred twenty-three thousand, one hundred one".

Divisors: 1 61 877 53497 5832664133 355792512113 5115246444641 312030033123101