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313201000321 = 1128472818211
BaseRepresentation
bin1001000111011000011…
…10111111111110000001
31002221102111221022210221
410203230032333332001
520112413424002241
6355514344223041
731425261401626
oct4435416777601
91087374838727
10313201000321
11110911888220
125084a46aa81
13236c4a47cc1
141123247034d
1582315b65d1
hex48ec3bff81

313201000321 has 4 divisors (see below), whose sum is σ = 341673818544. Its totient is φ = 284728182100.

The previous prime is 313201000309. The next prime is 313201000339. The reversal of 313201000321 is 123000102313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313201000321 - 215 = 313200967553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313201000295 and 313201000304.

It is not an unprimeable number, because it can be changed into a prime (313201000621) 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, 14236409095 + ... + 14236409116.

It is an arithmetic number, because the mean of its divisors is an integer number (85418454636).

Almost surely, 2313201000321 is an apocalyptic number.

It is an amenable number.

313201000321 is a deficient number, since it is larger than the sum of its proper divisors (28472818223).

313201000321 is a wasteful number, since it uses less digits than its factorization.

313201000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28472818222.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313201000321 its reverse (123000102313), we get a palindrome (436201102634).

The spelling of 313201000321 in words is "three hundred thirteen billion, two hundred one million, three hundred twenty-one", and thus it is an aban number.

Divisors: 1 11 28472818211 313201000321