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312230211322 = 222725710492551
BaseRepresentation
bin1001000101100100101…
…11101110111011111010
31002211220212020010122211
410202302113232323322
520103421413230242
6355234145005334
731362233002201
oct4426227567372
91084825203584
10312230211322
111104638a6067
125061932384a
132359b897943
141117d568238
1581c6255317
hex48b25eeefa

312230211322 has 32 divisors (see below), whose sum is σ = 472874371200. Its totient is φ = 154614374400.

The previous prime is 312230211313. The next prime is 312230211329. The reversal of 312230211322 is 223112032213.

It is a junction number, because it is equal to n+sod(n) for n = 312230211293 and 312230211302.

It is not an unprimeable number, because it can be changed into a prime (312230211329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122393947 + ... + 122396497.

It is an arithmetic number, because the mean of its divisors is an integer number (14777324100).

Almost surely, 2312230211322 is an apocalyptic number.

312230211322 is a deficient number, since it is larger than the sum of its proper divisors (160644159878).

312230211322 is a wasteful number, since it uses less digits than its factorization.

312230211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312230211322 its reverse (223112032213), we get a palindrome (535342243535).

The spelling of 312230211322 in words is "three hundred twelve billion, two hundred thirty million, two hundred eleven thousand, three hundred twenty-two".

Divisors: 1 2 227 257 454 514 1049 2098 2551 5102 58339 116678 238123 269593 476246 539186 579077 655607 1158154 1311214 2675999 5351998 61197611 122395222 148822789 297645578 607451773 687731743 1214903546 1375463486 156115105661 312230211322