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312202240432031 = 19316274091243031
BaseRepresentation
bin100011011111100100011111…
…1101000111001011110011111
31111221102020112221002010010002
41012333020333220321132133
5311410110142022311111
63023555421304404515
7122521603363013315
oct10677107750713637
91457366487063102
10312202240432031
11905282546a0244
122b022a7677673b
13105287113305a1
145714951c9a0b5
15261616b75a63b
hex11bf23fa3979f

312202240432031 has 16 divisors (see below), whose sum is σ = 314090800497408. Its totient is φ = 310316568998400.

The previous prime is 312202240432003. The next prime is 312202240432073. The reversal of 312202240432031 is 130234042202213.

It is a cyclic number.

It is not a de Polignac number, because 312202240432031 - 230 = 312201166690207 is a prime.

It is a super-3 number, since 3×3122022404320313 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312202240431985 and 312202240432003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202240438031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284497486 + ... + 1284740516.

It is an arithmetic number, because the mean of its divisors is an integer number (19630675031088).

Almost surely, 2312202240432031 is an apocalyptic number.

312202240432031 is a deficient number, since it is larger than the sum of its proper divisors (1888560065377).

312202240432031 is a wasteful number, since it uses less digits than its factorization.

312202240432031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248942.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 312202240432031 its reverse (130234042202213), we get a palindrome (442436282634244).

The spelling of 312202240432031 in words is "three hundred twelve trillion, two hundred two billion, two hundred forty million, four hundred thirty-two thousand, thirty-one".

Divisors: 1 193 1627 4091 243031 314011 789563 6656057 46904983 395411437 994239821 1284619001 76314407341 191888285453 1617628188767 312202240432031