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312330312133 = 7439371107409
BaseRepresentation
bin1001000101110000101…
…01100101100111000101
31002212011211120210011021
410202320111211213011
520104123024442013
6355252122311141
731364556564250
oct4427025454705
91085154523137
10312330312133
11110505356304
12506469584b1
13235b65452a8
141118c984097
1581cee29a8d
hex48b85659c5

312330312133 has 16 divisors (see below), whose sum is σ = 365640204160. Its totient is φ = 261206539776.

The previous prime is 312330312109. The next prime is 312330312143. The reversal of 312330312133 is 331213033213.

It is not a de Polignac number, because 312330312133 - 213 = 312330303941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312330312098 and 312330312107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312330312143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271668 + ... + 835741.

It is an arithmetic number, because the mean of its divisors is an integer number (22852512760).

Almost surely, 2312330312133 is an apocalyptic number.

It is an amenable number.

312330312133 is a deficient number, since it is larger than the sum of its proper divisors (53309892027).

312330312133 is a wasteful number, since it uses less digits than its factorization.

312330312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108396.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 312330312133 its reverse (331213033213), we get a palindrome (643543345346).

The spelling of 312330312133 in words is "three hundred twelve billion, three hundred thirty million, three hundred twelve thousand, one hundred thirty-three".

Divisors: 1 7 43 301 937 6559 40291 282037 1107409 7751863 47618587 333330109 1037642233 7263495631 44618616019 312330312133