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4312031311 = 72773113843
BaseRepresentation
bin1000000010000010…
…00110000001001111
3102010111211212221101
410001001012001033
532312340000221
61551513443531
7211566442600
oct40101060117
912114755841
104312031311
111913035a45
12a041105a7
13539472823
142cc979da7
151a385dd91
hex10104604f

4312031311 has 12 divisors (see below), whose sum is σ = 5022569592. Its totient is φ = 3691213008.

The previous prime is 4312031281. The next prime is 4312031327. The reversal of 4312031311 is 1131302134.

It is not a de Polignac number, because 4312031311 - 27 = 4312031183 is a prime.

It is a super-2 number, since 2×43120313112 = 37187228054088757442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312031341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19045 + ... + 94798.

It is an arithmetic number, because the mean of its divisors is an integer number (418547466).

Almost surely, 24312031311 is an apocalyptic number.

4312031311 is a deficient number, since it is larger than the sum of its proper divisors (710538281).

4312031311 is a wasteful number, since it uses less digits than its factorization.

4312031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114630 (or 114623 counting only the distinct ones).

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

The square root of 4312031311 is about 65666.0590487963. The cubic root of 4312031311 is about 1627.6485485098.

Adding to 4312031311 its reverse (1131302134), we get a palindrome (5443333445).

The spelling of 4312031311 in words is "four billion, three hundred twelve million, thirty-one thousand, three hundred eleven".

Divisors: 1 7 49 773 5411 37877 113843 796901 5578307 88000639 616004473 4312031311