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312230220300131 = 767665736077399
BaseRepresentation
bin100011011111110001100001…
…1010111100111111101100011
31111221111220202220010200111012
41012333203003113213331203
5311411034442344101011
63024020325534211135
7122523613632661640
oct10677430327477543
91457456686120435
10312230220300131
1190539102597281
122b028385053aab
131052b25001cb63
145716047cc8dc7
152616c57d46a8b
hex11bf8c35e7f63

312230220300131 has 8 divisors (see below), whose sum is σ = 362160426105600. Its totient is φ = 263631486649608.

The previous prime is 312230220300127. The next prime is 312230220300169. The reversal of 312230220300131 is 131003022032213.

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

It is not a de Polignac number, because 312230220300131 - 22 = 312230220300127 is a prime.

It is a super-2 number, since 2×3122302203001312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312230220300097 and 312230220300106.

It is not an unprimeable number, because it can be changed into a prime (312230220300181) 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, 332868038231 + ... + 332868039168.

It is an arithmetic number, because the mean of its divisors is an integer number (45270053263200).

Almost surely, 2312230220300131 is an apocalyptic number.

312230220300131 is a deficient number, since it is larger than the sum of its proper divisors (49930205805469).

312230220300131 is an equidigital number, since it uses as much as digits as its factorization.

312230220300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665736077473.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312230220300131 its reverse (131003022032213), we get a palindrome (443233242332344).

The spelling of 312230220300131 in words is "three hundred twelve trillion, two hundred thirty billion, two hundred twenty million, three hundred thousand, one hundred thirty-one".

Divisors: 1 7 67 469 665736077399 4660152541793 44604317185733 312230220300131