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312330213001 = 2984771046413
BaseRepresentation
bin1001000101110000101…
…01001101011010001001
31002212011211101202011201
410202320111031122021
520104123013304001
6355252120224201
731364556002242
oct4427025153211
91085154352151
10312330213001
11110505298884
125064690b061
13235b650c131
141118c959cc9
1581cee0a501
hex48b854d689

312330213001 has 4 divisors (see below), whose sum is σ = 312331557892. Its totient is φ = 312328868112.

The previous prime is 312330212989. The next prime is 312330213023. The reversal of 312330213001 is 100312033213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 209658673225 + 102671539776 = 457885^2 + 320424^2 .

It is a cyclic number.

It is not a de Polignac number, because 312330213001 - 29 = 312330212489 is a prime.

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 312330213001.

It is not an unprimeable number, because it can be changed into a prime (312333213001) 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 3 ways as a sum of consecutive naturals, for example, 224730 + ... + 821683.

It is an arithmetic number, because the mean of its divisors is an integer number (78082889473).

Almost surely, 2312330213001 is an apocalyptic number.

It is an amenable number.

312330213001 is a deficient number, since it is larger than the sum of its proper divisors (1344891).

312330213001 is a wasteful number, since it uses less digits than its factorization.

312330213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344890.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312330213001 its reverse (100312033213), we get a palindrome (412642246214).

The spelling of 312330213001 in words is "three hundred twelve billion, three hundred thirty million, two hundred thirteen thousand, one".

Divisors: 1 298477 1046413 312330213001