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312031110101 = 1314164757193
BaseRepresentation
bin1001000101001101000…
…00001110001111010101
31002211101222120202010112
410202212200032033111
520103014431010401
6355202313332405
731354264450154
oct4424640161725
91084358522115
10312031110101
111103714773a7
1250582707105
1323569566779
1411160d3b59b
1581b3a273bb
hex48a680e3d5

312031110101 has 8 divisors (see below), whose sum is σ = 314426073984. Its totient is φ = 309636344160.

The previous prime is 312031110071. The next prime is 312031110103. The reversal of 312031110101 is 101011130213.

It is a happy number.

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 312031110101 - 230 = 310957368277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031110103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5427161 + ... + 5484353.

It is an arithmetic number, because the mean of its divisors is an integer number (39303259248).

Almost surely, 2312031110101 is an apocalyptic number.

It is an amenable number.

312031110101 is a deficient number, since it is larger than the sum of its proper divisors (2394963883).

312031110101 is a wasteful number, since it uses less digits than its factorization.

312031110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98971.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 312031110101 its reverse (101011130213), we get a palindrome (413042240314).

The spelling of 312031110101 in words is "three hundred twelve billion, thirty-one million, one hundred ten thousand, one hundred one".

Divisors: 1 131 41647 57193 5455757 7492283 2381916871 312031110101