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312032130211 = 2313566614357
BaseRepresentation
bin1001000101001101001…
…00000111010010100011
31002211102001111120110101
410202212210013102203
520103020211131321
6355202351243231
731354306226224
oct4424644072243
91084361446411
10312032130211
1111037200386a
1250582b19517
1323569832b99
141116112524b
1581b3b79791
hex48a69074a3

312032130211 has 4 divisors (see below), whose sum is σ = 325598744592. Its totient is φ = 298465515832.

The previous prime is 312032130173. The next prime is 312032130233. The reversal of 312032130211 is 112031230213.

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

It is a cyclic number.

It is not a de Polignac number, because 312032130211 - 233 = 303442195619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312032130251) 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, 6783307156 + ... + 6783307201.

It is an arithmetic number, because the mean of its divisors is an integer number (81399686148).

Almost surely, 2312032130211 is an apocalyptic number.

312032130211 is a deficient number, since it is larger than the sum of its proper divisors (13566614381).

312032130211 is a wasteful number, since it uses less digits than its factorization.

312032130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566614380.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312032130211 its reverse (112031230213), we get a palindrome (424063360424).

The spelling of 312032130211 in words is "three hundred twelve billion, thirty-two million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 23 13566614357 312032130211