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312113012201 = 17593118726083
BaseRepresentation
bin1001000101010110110…
…00101001110111101001
31002211121200200210200122
410202223120221313221
520103201412342301
6355214401013025
731356310554614
oct4425330516751
91084550623618
10312113012201
11110403727691
12505a6024175
1323580511853
141116bb7b17b
1581bad0481b
hex48ab629de9

312113012201 has 16 divisors (see below), whose sum is σ = 331321472064. Its totient is φ = 292999762944.

The previous prime is 312113012137. The next prime is 312113012207. The reversal of 312113012201 is 102210311213.

It is not a de Polignac number, because 312113012201 - 26 = 312113012137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312113012201.

It is not an unprimeable number, because it can be changed into a prime (312113012207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11953106 + ... + 11979188.

It is an arithmetic number, because the mean of its divisors is an integer number (20707592004).

Almost surely, 2312113012201 is an apocalyptic number.

It is an amenable number.

312113012201 is a deficient number, since it is larger than the sum of its proper divisors (19208459863).

312113012201 is a wasteful number, since it uses less digits than its factorization.

312113012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27880.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312113012201 its reverse (102210311213), we get a palindrome (414323323414).

The spelling of 312113012201 in words is "three hundred twelve billion, one hundred thirteen million, twelve thousand, two hundred one".

Divisors: 1 17 593 1187 10081 20179 26083 443411 703891 11966147 15467219 30960521 262942723 526328857 18359588953 312113012201