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311430000000009 = 31161956115232193
BaseRepresentation
bin100011011001111100111001…
…0100001011011110000001001
31111211200102021011110112112210
41012303321302201123300021
5311304432120000000014
63022204544504055333
7122412034502443332
oct10663716241336011
91454612234415483
10311430000000009
119025a7a3044870
122ab19278a64549
13104a095252c2a7
1456c94145b9289
15260102053a859
hex11b3e7285bc09

311430000000009 has 16 divisors (see below), whose sum is σ = 452989851793344. Its totient is φ = 188745137510400.

The previous prime is 311429999999971. The next prime is 311430000000013. The reversal of 311430000000009 is 900000000034113.

It is not a de Polignac number, because 311430000000009 - 236 = 311361280523273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (311430000001009) 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, 12829417 + ... + 28061609.

It is an arithmetic number, because the mean of its divisors is an integer number (28311865737084).

Almost surely, 2311430000000009 is an apocalyptic number.

It is an amenable number.

311430000000009 is a deficient number, since it is larger than the sum of its proper divisors (141559851793335).

311430000000009 is a wasteful number, since it uses less digits than its factorization.

311430000000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851768.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 311430000000009 in words is "three hundred eleven trillion, four hundred thirty billion, nine", and thus it is an aban number.

Divisors: 1 3 11 33 619561 1858683 6815171 15232193 20445513 45696579 167554123 502662369 9437272727273 28311818181819 103810000000003 311430000000009