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312230111220101 = 17910345716860167
BaseRepresentation
bin100011011111110001011110…
…0110111100001000110000101
31111221111220111021212211211002
41012333202330313201012011
5311411034231433020401
63024020311040223045
7122523611136551234
oct10677427467410605
91457456437784732
10312230111220101
1190539056a63898
122b02835460aa85
131052b23354a469
145716037612b1b
152616c4d49ba6b
hex11bf8bcde1185

312230111220101 has 8 divisors (see below), whose sum is σ = 313977466969920. Its totient is φ = 310482789397888.

The previous prime is 312230111220067. The next prime is 312230111220161. The reversal of 312230111220101 is 101022111032213.

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 312230111220101 - 218 = 312230110957957 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 (312230111220161) 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, 10088720 + ... + 26948886.

It is an arithmetic number, because the mean of its divisors is an integer number (39247183371240).

Almost surely, 2312230111220101 is an apocalyptic number.

It is an amenable number.

312230111220101 is a deficient number, since it is larger than the sum of its proper divisors (1747355749819).

312230111220101 is a wasteful number, since it uses less digits than its factorization.

312230111220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16963803.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 312230111220101 its reverse (101022111032213), we get a palindrome (413252222252314).

The spelling of 312230111220101 in words is "three hundred twelve trillion, two hundred thirty billion, one hundred eleven million, two hundred twenty thousand, one hundred one".

Divisors: 1 179 103457 16860167 18518803 3017969893 1744302297319 312230111220101