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312200212313 = 1128381837483
BaseRepresentation
bin1001000101100001001…
…01010010111101011001
31002211211202210000202102
410202300211102331121
520103341223243223
6355231154013145
731361420006423
oct4426045227531
91084752700672
10312200212313
111104489763a0
125060b2771b5
13235955c3252
1411179599813
1581c37cb928
hex48b0952f59

312200212313 has 4 divisors (see below), whose sum is σ = 340582049808. Its totient is φ = 283818374820.

The previous prime is 312200212309. The next prime is 312200212333. The reversal of 312200212313 is 313212002213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312200212313 - 22 = 312200212309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312200212333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14190918731 + ... + 14190918752.

It is an arithmetic number, because the mean of its divisors is an integer number (85145512452).

Almost surely, 2312200212313 is an apocalyptic number.

It is an amenable number.

312200212313 is a deficient number, since it is larger than the sum of its proper divisors (28381837495).

312200212313 is a wasteful number, since it uses less digits than its factorization.

312200212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381837494.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312200212313 its reverse (313212002213), we get a palindrome (625412214526).

The spelling of 312200212313 in words is "three hundred twelve billion, two hundred million, two hundred twelve thousand, three hundred thirteen".

Divisors: 1 11 28381837483 312200212313