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312223110213 = 3714867767153
BaseRepresentation
bin1001000101100011111…
…00101001010001000101
31002211220100212100202210
410202301330221101011
520103413104011323
6355233332454033
731362115435230
oct4426174512105
91084810770683
10312223110213
1111045a895983
1250616a7a319
132359a27c6c1
141117c63a417
1581c5801293
hex48b1f29445

312223110213 has 8 divisors (see below), whose sum is σ = 475768548928. Its totient is φ = 178413205824.

The previous prime is 312223110191. The next prime is 312223110217. The reversal of 312223110213 is 312011322213.

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

It is not a de Polignac number, because 312223110213 - 213 = 312223102021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 14867767153 = 312223110213 / (3 + 1 + 2 + 2 + 2 + 3 + 1 + 1 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312223110213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7433883556 + ... + 7433883597.

It is an arithmetic number, because the mean of its divisors is an integer number (59471068616).

Almost surely, 2312223110213 is an apocalyptic number.

It is an amenable number.

312223110213 is a deficient number, since it is larger than the sum of its proper divisors (163545438715).

312223110213 is a wasteful number, since it uses less digits than its factorization.

312223110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14867767163.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312223110213 its reverse (312011322213), we get a palindrome (624234432426).

The spelling of 312223110213 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred ten thousand, two hundred thirteen".

Divisors: 1 3 7 21 14867767153 44603301459 104074370071 312223110213