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312103111323 = 3673154583017
BaseRepresentation
bin1001000101010101100…
…10111000101010011011
31002211121000001210020110
410202222302320222123
520103141344030243
6355213404455403
731356130450233
oct4425262705233
91084530053213
10312103111323
111103a9084a43
12505a284a563
132357b456143
141116a720cc3
1581b9eeae33
hex48aacb8a9b

312103111323 has 8 divisors (see below), whose sum is σ = 416755816528. Its totient is φ = 207759573504.

The previous prime is 312103111319. The next prime is 312103111343. The reversal of 312103111323 is 323111301213.

It is a happy number.

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

It is not a de Polignac number, because 312103111323 - 22 = 312103111319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312103111323.

It is not an unprimeable number, because it can be changed into a prime (312103111343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77289490 + ... + 77293527.

It is an arithmetic number, because the mean of its divisors is an integer number (52094477066).

Almost surely, 2312103111323 is an apocalyptic number.

312103111323 is a deficient number, since it is larger than the sum of its proper divisors (104652705205).

312103111323 is a wasteful number, since it uses less digits than its factorization.

312103111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154583693.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 312103111323 its reverse (323111301213), we get a palindrome (635214412536).

The spelling of 312103111323 in words is "three hundred twelve billion, one hundred three million, one hundred eleven thousand, three hundred twenty-three".

Divisors: 1 3 673 2019 154583017 463749051 104034370441 312103111323